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U.S. Hog Inventory Up 1 Percent

National Agricultural Statistics Service
USDA
Washington, D.C.

U.S. inventory of all hogs and pigs on March 1, 2007 was 61.1 million head. This was up 1 percent from March 1, 2006, but down 2 percent from December 1, 2006.

Breeding inventory, at 6.08 million head, was up 1 percent from last year, but down slightly from the previous quarter. Market hog inventory, at 55.0 million head, was up 1 percent from last year, but down 2 percent from last quarter.

The December 2006-February 2007 pig crop, at 26.1 million head, was up 2 percent from 2006 and up 3 percent from 2005. Sows farrowing during this period totaled 2.87 million head, up 1 percent from both 2006 and 2005. The sows farrowed during this quarter represented 47 percent of the breeding herd. The average pigs saved per litter was 9.08 for the December 2006-February 2007 period, compared to 9.03 last year. Pigs saved per litter by size of operation ranged from 7.60 for operations with 1-99 hogs and pigs to 9.20 for operations with more than 5,000 hogs and pigs.

U.S. hog producers intend to have 2.91 million sows farrow during the March-May 2007 quarter, down slightly from the actual farrowings, but up 1 percent from 2005. Intended farrowings for June-August 2007, at 2.92 million sows, are virtually unchanged from both 2006 and 2005.

The total number of hogs under contract, owned by operations with over 5,000 head, but raised by contractees, accounted for 39 percent of the total U.S. hog inventory, unchanged from last year.

Revisions

All inventory and pig crop estimates for March 2006 through December 2006 were reviewed using final pig crop, official slaughter, death loss, and updated import and export data. Based on the findings of this review, small adjustments of less than one-half of one percent were made to the March 1, 2006 total inventory, September 1, 2006 total inventory, March-May 2006 pig crop and the September-November pig crop. An adjustment slightly larger than one-half of one percent was made to the June-August 2006 pig crop.

                              Page

Quarterly U.S. Inventory by Class and Weight Group, 2005-20071

Quarterly U.S. Sows Farrowed, Pig Crop, and Pigs per Litter, 2005-2007. . . . . . . . . . . . 2

Hogs and Pigs:  Inventory by State and U.S., 2005-2007
     
     March 1 . . . . . . . . . . 5
     June 1  . . . . . . . . . . 7
     September 1 . . . . . . . . 9
     December 1  . . . . . . . .11

Farrowings:  Number of Sows, Pigs per Litter, Pig Crop by State and U.S., 2005-2007
     
          December-February. . .13
     March-May . . . . . . . . .14
     June-August . . . . . . . .15
     September-November. . . . .16
     

Monthly U.S. Farrowings, December-November 2006-200717

Reliability Statement. . . . . .18
                              
                              

                              
          


            Hogs and Pigs:  Inventory Number by Class, Weight Group,
                    and Quarter, United States, 2005-2007 1/
--------------------------------------------------------------------------------
                        :             :             :             :2007 as % of
          Item          :    2005     :    2006     :    2007     :-------------
                        :             :             :             : 2005 : 2006
--------------------------------------------------------------------------------
                        :   ----------- 1,000 Head -----------        Percent
                        :
March 1 Inventory       :
  All Hogs and Pigs     :   59,699        60,326        61,103      102    101
    Kept for Breeding   :    5,941         6,025         6,081      102    101
    Market              :   53,757        54,301        55,022      102    101
                        :
  Market Hogs and Pigs  :
   by Weight Groups     :
    Under 60 Pounds     :   19,667        19,988        20,265      103    101
    60-119 Pounds       :   13,087        13,006        13,086      100    101
    120-179 Pounds      :   11,360        11,434        11,423      101    100
    180 Pounds and Over :    9,644         9,874        10,248      106    104
                        :
June 1 Inventory        :
  All Hogs and Pigs     :   60,732        61,687
    Kept for Breeding   :    5,977         6,060
    Market              :   54,754        55,627
                        :
  Market Hogs and Pigs  :
   by Weight Groups     :
    Under 60 Pounds     :   20,423        20,808
    60-119 Pounds       :   13,376        13,692
    120-179 Pounds      :   11,143        11,485
    180 Pounds and Over :    9,813         9,643
                        :
September 1 Inventory   :
  All Hogs and Pigs     :   61,846        62,914
    Kept for Breeding   :    5,972         6,079
    Market              :   55,873        56,835
                        :
  Market Hogs and Pigs  :
   by Weight Groups     :
    Under 60 Pounds     :   20,764        20,708
    60-119 Pounds       :   13,876        14,231
    120-179 Pounds      :   11,404        11,685
    180 Pounds and Over :    9,830        10,212
                        :
December 1 Inventory    :
  All Hogs and Pigs     :   61,449        62,149
    Kept for Breeding   :    6,011         6,088
    Market              :   55,438        56,061
                        :
  Market Hogs and Pigs  :
   by Weight Groups     :
    Under 60 Pounds     :   20,055        20,262
    60-119 Pounds       :   13,524        13,788
    120-179 Pounds      :   11,293        11,274
    180 Pounds and Over :   10,567        10,737
--------------------------------------------------------------------------------
1/  May not add due to rounding.




           Farrowings:  Number of Sows, Pig Crop, and Pigs per Litter,
                           United States, 2005-2007 1/
--------------------------------------------------------------------------------
                   :              :              :              : 2007 as % of
        Item       :     2005     :     2006     :     2007     :---------------
                   :              :              :              : 2005  : 2006
--------------------------------------------------------------------------------
                   :    ------------ 1,000 Head ------------         Percent
                   :
Sows Farrowing     :
  Dec-Feb 2/       :     2,835          2,840          2,874       101     101
  Mar-May 3/       :     2,882          2,927          2,913       101     100
  Dec-May 2/ 4/    :     5,716          5,767          5,787       101     100
                   :
  Jun-Aug 3/       :     2,918          2,912          2,917       100     100
  Sep-Nov          :     2,900          2,910
  Jun-Nov          :     5,818          5,823
                   :
Pig Crop           :
  Dec-Feb 2/       :    25,343         25,661         26,084       103     102
  Mar-May          :    25,986         26,579
  Dec-May 2/       :    51,330         52,240
                   :
  Jun-Aug          :    26,449         26,518
  Sep-Nov          :    26,187         26,501
  Jun-Nov          :    52,635         53,019
                   :
                   :      ------------- Number -------------         Percent
Pigs per Litter    :
  Dec-Feb 2/       :      8.94           9.03           9.08       102     101
  Mar-May          :      9.02           9.08
  Dec-May 2/       :      8.98           9.06
                   :
  Jun-Aug          :      9.06           9.11
  Sep-Nov          :      9.03           9.11
  Jun-Nov          :      9.05           9.11
--------------------------------------------------------------------------------
1/  May not add due to rounding.
2/  December preceding year.
3/  Intentions for 2007.
4/  Actual farrowings for December 2006-February 2007 plus intentions for
    March-May 2007.




       Pigs per Litter:  By Size of Operation, United States, 2006-20071/
--------------------------------------------------------------------------------
              :              Pigs per Litter on Operations Having
              :-----------------------------------------------------------------
   Pig Crop   :  1-99   : 100-499  : 500-999  :1,000-1,999:2,000-4,999: 5,000+
              :  Head   :   Head   :   Head   :   Head    :   Head    :  Head
--------------------------------------------------------------------------------
              :                             Number
              :
2006          :
Dec-Feb 2/    :  7.50       8.00       8.30       8.80        9.00       9.10
Mar-May       :  7.60       8.00       8.40       8.80        9.00       9.20
Jun-Aug       :  7.70       8.00       8.40       8.80        9.10       9.20
Sep-Nov       :  7.70       8.00       8.40       8.80        9.10       9.20
              :
2007          :
Dec-Feb 2/    :  7.60       8.00       8.40       8.80        9.00       9.20
Mar-May       :
Jun-Aug       :
Sep-Nov       :
--------------------------------------------------------------------------------
1/  Pigs per litter rounded to the nearest tenth.
2/  December preceding year.




              Hogs and Pigs:  Breeding, Market, and Total Inventory
                by State and United States, March 1, 2006-2007 1/
--------------------------------------------------------------------------------
        :       Breeding        :        Market         :         Total
        :-----------------------------------------------------------------------
        :       :     2007      :       :     2007      :       :     2007
  State :       :---------------:       :---------------:       :---------------
        : 2006  :       :as % of: 2006  :       :as % of: 2006  :       :as % of
        :       :Number : 2006  :       :Number : 2006  :       :Number : 2006
--------------------------------------------------------------------------------
        :   1,000 Head   Percent   1,000 Head    Percent   1,000 Head    Percent
        :
AR      :    85      85    100      185     190    103      270     275    102
CO      :   150     150    100      680     660     97      830     810     98
IL      :   420     440    105    3,730   3,610     97    4,150   4,050     98
IN      :   310     320    103    2,790   2,830    101    3,100   3,150    102
IA      : 1,100   1,080     98   15,300  15,520    101   16,400  16,600    101
KS      :   165     165    100    1,565   1,675    107    1,730   1,840    106
MI      :   100     110    110      860     870    101      960     980    102
MN      :   580     600    103    5,820   6,200    107    6,400   6,800    106
MO      :   345     360    104    2,355   2,440    104    2,700   2,800    104
NE      :   355     360    101    2,545   2,640    104    2,900   3,000    103
NC      : 1,020   1,020    100    8,480   8,380     99    9,500   9,400     99
OH      :   160     165    103    1,380   1,535    111    1,540   1,700    110
OK      :   360     360    100    1,970   1,980    101    2,330   2,340    100
PA      :   100     100    100    1,010     990     98    1,110   1,090     98
SD      :   155     135     87    1,285   1,205     94    1,440   1,340     93
TX      :   100     100    100      830     850    102      930     950    102
WI      :    50      55    110      370     375    101      420     430    102
        :
Oth     :
 Sts 2/ :   470     476    101    3,146   3,072     98    3,616   3,548     98
        :
US      : 6,025   6,081    101   54,301  55,022    101   60,326  61,103    101
--------------------------------------------------------------------------------
1/  May not add due to rounding.
2/  Individual State estimates not available for the 33 Other States.




            Market Hogs and Pigs:  Inventory Number by Weight Group,
                 State, and United States, March 1, 2006-2007 1/
--------------------------------------------------------------------------------
        :      Under      :     60-119      :     120-179     :    180 Lbs.
        :     60 Lbs.     :      Lbs.       :      Lbs.       :    and Over
  State :-----------------------------------------------------------------------
        :  2006  :  2007  :  2006  :  2007  :  2006  :  2007  :  2006  :  2007
--------------------------------------------------------------------------------
        :                              1,000 Head
        :
AR      :    140      140       15       20       15       15      15        15
CO      :    360      370       90       95       80       75     150       120
IL      :  1,310    1,300      870      860      840      790     710       660
IN      :  1,030    1,040      700      700      560      570     500       520
IA      :  4,680    4,690    4,140    4,090    3,520    3,570   2,960     3,170
KS      :    530      575      285      300      345      335     405       465
MI      :    315      300      200      205      175      180     170       185
MN      :  2,280    2,380    1,330    1,490    1,310    1,330     900     1,000
MO      :  1,085    1,160      490      485      460      460     320       335
NE      :  1,000    1,010      660      700      490      510     395       420
NC      :  3,400    3,430    1,940    1,850    1,690    1,680   1,450     1,420
OH      :    570      600      315      380      305      320     190       235
OK      :    910      920      350      320      220      220     490       520
PA      :    370      295      270      290      210      215     160       190
SD      :    455      425      300      280      275      265     255       235
TX      :    265      305      190      195      195      185     180       165
WI      :    145      150       90       90       70       70      65        65
        :
Oth     :
 Sts 2/ :  1,143    1,175      771      736      674      633     559       528
        :
US      : 19,988   20,265   13,006   13,086   11,434   11,423   9,874    10,248
--------------------------------------------------------------------------------
1/  Weight groups may not add to Market Hogs and Pigs due to rounding. 2/  
Individual State estimates not available for the 33 Other States.




              Hogs and Pigs:  Breeding, Market, and Total Inventory
                by State and United States, June 1, 2005-2006 1/
--------------------------------------------------------------------------------
        :       Breeding        :        Market         :         Total
        :-----------------------------------------------------------------------
        :       :     2006      :       :     2006      :       :     2006
  State :       :---------------:       :---------------:       :---------------
        : 2005  :       :as % of: 2005  :       :as % of: 2005  :       :as % of
        :       :Number : 2005  :       :Number : 2005  :       :Number : 2005
--------------------------------------------------------------------------------
        :   1,000 Head   Percent   1,000 Head    Percent   1,000 Head    Percent
        :
AR      :    85      85    100      205     195     95      290     280     97
CO      :   140     150    107      640     690    108      780     840    108
IL      :   430     430    100    3,670   3,770    103    4,100   4,200    102
IN      :   300     320    107    2,800   2,880    103    3,100   3,200    103
IA      : 1,070   1,080    101   15,130  15,520    103   16,200  16,600    102
KS      :   155     160    103    1,535   1,680    109    1,690   1,840    109
MI      :   100     100    100      810     880    109      910     980    108
MN      :   600     590     98    6,000   6,210    104    6,600   6,800    103
MO      :   340     350    103    2,510   2,350     94    2,850   2,700     95
NE      :   355     365    103    2,445   2,585    106    2,800   2,950    105
NC      : 1,020   1,020    100    8,880   8,580     97    9,900   9,600     97
OH      :   160     165    103    1,420   1,455    102    1,580   1,620    103
OK      :   360     360    100    2,020   2,010    100    2,380   2,370    100
PA      :   100     100    100      970   1,000    103    1,070   1,100    103
SD      :   145     160    110    1,255   1,310    104    1,400   1,470    105
TX      :   100     105    105      830     865    104      930     970    104
WI      :    50      55    110      380     375     99      430     430    100
        :
Oth     :
 Sts 2/ :   467     465     99    3,254   3,272    101    3,722   3,737    100
        :
US      : 5,977   6,060    101   54,754  55,627    102   60,732  61,687    102
--------------------------------------------------------------------------------
1/  May not add due to rounding.
2/  Individual State estimates not available for the 33 Other States.




            Market Hogs and Pigs:  Inventory Number by Weight Group,
                 State, and United States, June 1, 2005-2006 1/
--------------------------------------------------------------------------------
        :      Under      :     60-119      :     120-179     :    180 Lbs.
        :     60 Lbs.     :      Lbs.       :      Lbs.       :    and Over
  State :-----------------------------------------------------------------------
        :  2005  :  2006  :  2005  :  2006  :  2005  :  2006  :  2005  :  2006
--------------------------------------------------------------------------------
        :                              1,000 Head
        :
AR      :    140      140       20       20       20       15      25       20
CO      :    355      360      110       85       60       95     115      150
IL      :  1,340    1,350      900      940      770      840     660      640
IN      :  1,040    1,080      700      760      550      550     510      490
IA      :  4,600    4,860    4,130    4,240    3,500    3,530   2,900    2,890
KS      :    550      585      305      360      280      310     400      425
MI      :    310      335      200      195      155      175     145      175
MN      :  2,410    2,460    1,440    1,550    1,220    1,310     930      890
MO      :  1,230    1,135      480      490      450      420     350      305
NE      :    960    1,000      640      680      490      530     355      375
NC      :  3,560    3,540    2,140    1,960    1,720    1,690   1,460    1,390
OH      :    580      590      340      360      300      320     200      185
OK      :    960      930      330      330      230      270     500      480
PA      :    285      330      290      290      225      215     170      165
SD      :    465      475      320      310      250      275     220      250
TX      :    325      275      150      220      160      205     195      165
WI      :    150      145       90      105       70       70      70       55
        :
Oth     :
 Sts 2/ :  1,163    1,218      791      797      693      665     608      593
        :
US      : 20,423   20,808   13,376   13,692   11,143   11,485   9,813    9,643
--------------------------------------------------------------------------------
1/  Weight groups may not add to Market Hogs and Pigs due to rounding. 2/ 
 Individual State estimates not available for the 33 Other States.




              Hogs and Pigs:  Breeding, Market, and Total Inventory
              by State and United States, September 1, 2005-2006 1/
--------------------------------------------------------------------------------
        :       Breeding        :        Market         :         Total
        :-----------------------------------------------------------------------
        :       :     2006      :       :     2006      :       :     2006
  State :       :---------------:       :---------------:       :---------------
        : 2005  :       :as % of: 2005  :       :as % of: 2005  :       :as % of
        :       :Number : 2005  :       :Number : 2005  :       :Number : 2005
--------------------------------------------------------------------------------
        :   1,000 Head   Percent   1,000 Head    Percent   1,000 Head    Percent
        :
AR      :    85      85    100      200     195     98      285     280     98
CO      :   145     155    107      715     695     97      860     850     99
IL      :   420     440    105    3,630   3,910    108    4,050   4,350    107
IN      :   300     330    110    2,800   2,970    106    3,100   3,300    106
IA      : 1,080   1,080    100   15,520  15,920    103   16,600  17,000    102
KS      :   155     165    106    1,565   1,755    112    1,720   1,920    112
MI      :   100     100    100      830     880    106      930     980    105
MN      :   600     590     98    6,200   6,310    102    6,800   6,900    101
MO      :   340     355    104    2,510   2,395     95    2,850   2,750     96
NE      :   350     350    100    2,450   2,650    108    2,800   3,000    107
NC      : 1,020   1,010     99    9,080   8,690     96   10,100   9,700     96
OH      :   160     170    106    1,400   1,500    107    1,560   1,670    107
OK      :   360     360    100    2,060   2,030     99    2,420   2,390     99
PA      :    95     105    111      985   1,055    107    1,080   1,160    107
SD      :   140     155    111    1,240   1,335    108    1,380   1,490    108
TX      :   100     100    100      890     890    100      990     990    100
WI      :    50      55    110      370     375    101      420     430    102
        :
Oth     :
 Sts 2/ :   472     474    100    3,428   3,280     96    3,901   3,754     96
        :
US      : 5,972   6,079    102   55,873  56,835    102   61,846  62,914    102
--------------------------------------------------------------------------------
1/  May not add due to rounding.
2/  Individual State estimates not available for the 33 Other States.




            Market Hogs and Pigs:  Inventory Number by Weight Group,
               State, and United States, September 1, 2005-2006 1/
--------------------------------------------------------------------------------
        :      Under      :     60-119      :     120-179     :    180 Lbs.
        :     60 Lbs.     :      Lbs.       :      Lbs.       :    and Over
  State :-----------------------------------------------------------------------
        :  2005  :  2006  :  2005  :  2006  :  2005  :  2006  :  2005  :  2006
--------------------------------------------------------------------------------
        :                              1,000 Head
        :
AR      :    145      140       20       20       15       15      20        20
CO      :    400      380      110       90       85       85     120       140
IL      :  1,380    1,360      890      990      800      850     560       710
IN      :  1,050    1,080      720      770      550      580     480       540
IA      :  4,780    4,750    4,400    4,500    3,450    3,600   2,890     3,070
KS      :    535      590      355      395      265      305     410       465
MI      :    320      300      195      220      165      180     150       180
MN      :  2,450    2,440    1,500    1,610    1,320    1,300     930       960
MO      :  1,180    1,115      520      480      470      470     340       330
NE      :    980    1,000      660      690      460      540     350       420
NC      :  3,650    3,530    2,130    2,040    1,780    1,710   1,520     1,410
OH      :    580      600      335      380      290      320     195       200
OK      :    930      950      300      330      270      260     560       490
PA      :    300      330      270      305      220      235     195       185
SD      :    440      480      315      320      255      285     230       250
TX      :    290      315      210      200      195      190     195       185
WI      :    145      145       90       90       70       75      65        65
        :
Oth     :
 Sts 2/ :  1,209    1,203      856      801      744      685     620       592
        :
US      : 20,764   20,708   13,876   14,231   11,404   11,685   9,830    10,212
--------------------------------------------------------------------------------
1/  Weight groups may not add to Market Hogs and Pigs due to rounding. 2/ 
Individual State estimates not available for the 33 Other States.




              Hogs and Pigs:  Breeding, Market, and Total Inventory
              by State and United States, December 1, 2005-2006 1/
--------------------------------------------------------------------------------
        :       Breeding        :        Market         :         Total
        :-----------------------------------------------------------------------
        :       :     2006      :       :     2006      :       :     2006
  State :       :---------------:       :---------------:       :---------------
        : 2005  :       :as % of: 2005  :       :as % of: 2005  :       :as % of
        :       :Number : 2005  :       :Number : 2005  :       :Number : 2005
--------------------------------------------------------------------------------
        :   1,000 Head   Percent   1,000 Head    Percent   1,000 Head    Percent
        :
AR      :    85      85    100      185     175     95      270     260     96
CO      :   145     155    107      705     675     96      850     830     98
IL      :   430     440    102    3,570   3,760    105    4,000   4,200    105
IN      :   310     330    106    2,940   2,970    101    3,250   3,300    102
IA      : 1,070   1,080    101   15,530  16,120    104   16,600  17,200    104
KS      :   160     170    106    1,630   1,670    102    1,790   1,840    103
MI      :   100     110    110      860     890    103      960   1,000    104
MN      :   590     590    100    6,010   6,210    103    6,600   6,800    103
MO      :   345     360    104    2,355   2,390    101    2,700   2,750    102
NE      :   350     365    104    2,500   2,635    105    2,850   3,000    105
NC      : 1,010   1,010    100    8,790   8,490     97    9,800   9,500     97
OH      :   165     170    103    1,395   1,510    108    1,560   1,680    108
OK      :   360     350     97    2,010   1,980     99    2,370   2,330     98
PA      :   100     105    105    1,000     965     97    1,100   1,070     97
SD      :   165     140     85    1,325   1,190     90    1,490   1,330     89
TX      :   100      95     95      830     835    101      930     930    100
WI      :    55      55    100      375     385    103      430     440    102
        :
Oth     :
 Sts 2/ :   471     478    101    3,428   3,211     94    3,899   3,689     95
        :
US      : 6,011   6,088    101   55,438  56,061    101   61,449  62,149    101
--------------------------------------------------------------------------------
1/  May not add due to rounding.
2/  Individual State estimates not available for the 33 other States.




            Market Hogs and Pigs:  Inventory Number by Weight Group,
               State, and United States, December 1, 2005-2006 1/
--------------------------------------------------------------------------------
        :      Under      :     60-119      :     120-179     :    180 Lbs.
        :     60 Lbs.     :      Lbs.       :      Lbs.       :    and Over
  State :-----------------------------------------------------------------------
        :  2005  :  2006  :  2005  :  2006  :  2005  :  2006  :  2005  :  2006
--------------------------------------------------------------------------------
        :                              1,000 Head
        :
AR      :    130      125       20       15       15       15       20       20
CO      :    390      370       95       80       85       85      135      140
IL      :  1,300    1,270      860      970      740      800      670      720
IN      :  1,060    1,090      730      740      560      580      590      560
IA      :  4,610    4,850    4,180    4,420    3,520    3,560    3,220    3,290
KS      :    570      560      315      320      315      310      430      480
MI      :    315      300      205      230      175      170      165      190
MN      :  2,320    2,350    1,460    1,510    1,200    1,250    1,030    1,100
MO      :  1,105    1,100      480      470      450      475      320      345
NE      :    980    1,010      660      700      470      500      390      425
NC      :  3,450    3,390    2,130    1,970    1,720    1,680    1,490    1,450
OH      :    550      590      330      360      295      305      220      255
OK      :    920      900      320      340      240      240      530      500
PA      :    310      290      280      300      215      185      195      190
SD      :    450      435      325      280      290      230      260      245
TX      :    270      270      195      200      180      185      185      180
WI      :    150      155       85       90       75       70       65       70
        :
Oth     :
 Sts 2/ :  1,175    1,207      854      793      748      634      652      577
        :
US      : 20,055   20,262   13,524   13,788   11,293   11,274   10,567   10,737
--------------------------------------------------------------------------------
1/  Weight groups may not add to Market Hogs and Pigs due to rounding. 2/  
Individual State estimates not available for the 33 other States.




           Farrowings:  Number of Sows, Pigs per Litter, and Pig Crop
          by State and United States, December-February 2006-2007 1/ 2/
--------------------------------------------------------------------------------
        :      Sows Farrowing      :                 :       Pig Crop 3/
        :--------------------------:      Pigs       :--------------------------
        :        :      2007       :   per Litter    :        :      2007
  State :        :-----------------------------------:        :-----------------
        :  2006  :        :as % of :        :        :  2006  :        :as % of
        :        : Number :  2006  :  2006  :  2007  :        : Number :  2006
--------------------------------------------------------------------------------
        :   1,000 Head     Percent    --- Number --       1,000 Head    Percent
        :
AR      :    41       39      95      9.50     9.20       390      359     92
CO      :    81       83     102      8.80     8.80       713      730    102
IL      :   195      205     105      9.00     9.05     1,755    1,855    106
IN      :   130      140     108      8.90     8.80     1,157    1,232    106
IA      :   455      445      98      9.00     9.00     4,095    4,005     98
KS      :    84       87     104      8.85     8.90       743      774    104
MI      :    48       48     100      9.30     8.75       446      420     94
MN      :   270      275     102      9.10     9.25     2,457    2,544    104
MO      :   165      175     106      9.00     9.05     1,485    1,584    107
NE      :   175      175     100      9.15     9.20     1,601    1,610    101
NC      :   540      540     100      9.10     9.10     4,914    4,914    100
OH      :    77       83     108      9.10     9.15       701      759    108
OK      :   185      190     103      8.70     9.10     1,610    1,729    107
PA      :    47       43      91      9.90     9.00       465      387     83
SD      :    77       65      84      9.40     9.50       724      618     85
TX      :    42       45     107      8.60     8.90       361      401    111
WI      :    26       27     104      8.55     8.95       222      242    109
        :
Oth     :
 Sts 4/ :   202      209     103      9.00     9.20     1,822    1,921    105
        :
US      : 2,840    2,874     101      9.03     9.08    25,661   26,084    102
--------------------------------------------------------------------------------
1/  May not add due to rounding.
2/  December preceding year.
3/  Number of pigs born December-February that were still on hand March 1,
    or had been sold.
4/  Individual State estimates not available for the 33 other States.




           Farrowings:  Number of Sows, Pigs per Litter, and Pig Crop
               by State and United States, March-May 2005-2007 1/
--------------------------------------------------------------------------------
        :        Sows Farrowing         :               :      Pig Crop 2/
        :-------------------------------:     Pigs      :-----------------------
        :       :       :    2007 3/    :  per Litter   :       :     2006
  State :       :       :-------------------------------:       :---------------
        : 2005  : 2006  :       :as % of:       :       : 2005  :       :as % of
        :       :       :Number : 2006  : 2005  : 2006  :       :Number : 2005
--------------------------------------------------------------------------------
        : ----- 1,000 Head ----  Percent  -- Number --     1,000 Head    Percent
        :
AR      :    42      41      41    100    9.70    9.60      407     394     97
CO      :    77      81      83    102    8.80    8.90      678     721    106
IL      :   210     210     210    100    8.95    9.05    1,880   1,901    101
IN      :   135     135     140    104    8.85    8.90    1,195   1,202    101
IA      :   440     465     470    101    9.05    8.95    3,982   4,162    105
KS      :    83      84      89    106    8.80    9.10      730     764    105
MI      :    45      47      52    111    9.00    9.20      405     432    107
MN      :   290     280     275     98    9.15    9.30    2,654   2,604     98
MO      :   170     170     180    106    9.10    9.10    1,547   1,547    100
NE      :   175     180     175     97    9.05    9.15    1,584   1,647    104
NC      :   550     550     540     98    8.90    9.10    4,895   5,005    102
OH      :    77      82      81     99    9.00    9.00      693     738    106
OK      :   190     185     180     97    8.90    8.90    1,691   1,647     97
PA      :    47      47      46     98    9.10    9.10      428     428    100
SD      :    75      84      69     82    9.30    9.35      698     785    112
TX      :    45      47      48    102    9.40    9.25      423     435    103
WI      :    25      27      26     96    8.75    8.70      219     235    107
        :
Oth     :
 Sts 4/ :   206     212     208     98    9.13    9.11    1,877   1,932    103
        :
US      : 2,882   2,927   2,913    100    9.02    9.08   25,986  26,579    102
--------------------------------------------------------------------------------
1/  May not add due to rounding.
2/  Number of pigs born March-May that were still on hand June 1, or had
    been sold.
3/  Intentions.
4/  Individual State estimates not available for the 33 Other States.




           Farrowings:  Number of Sows, Pigs per Litter, and Pig Crop
              by State and United States, June-August 2005-2007 1/
--------------------------------------------------------------------------------
        :        Sows Farrowing         :               :      Pig Crop 2/
        :-------------------------------:     Pigs      :-----------------------
        :       :       :    2007 3/    :  per Litter   :       :     2006
  State :       :       :-------------------------------:       :---------------
        : 2005  : 2006  :       :as % of:       :       : 2005  :       :as % of
        :       :       :Number : 2006  : 2005  : 2006  :       :Number : 2005
--------------------------------------------------------------------------------
        : ----- 1,000 Head ----  Percent  -- Number --     1,000 Head    Percent
        :
AR      :    44      40      39     98    9.60    9.70      422     388     92
CO      :    81      82      83    101    8.80    9.00      713     738    104
IL      :   205     200     210    105    8.90    9.05    1,825   1,810     99
IN      :   140     140     145    104    8.90    8.95    1,246   1,253    101
IA      :   460     455     470    103    9.00    9.05    4,140   4,118     99
KS      :    83      85      89    105    8.80    8.75      730     744    102
MI      :    48      48      49    102    9.25    9.15      444     439     99
MN      :   280     280     280    100    9.30    9.25    2,604   2,590     99
MO      :   170     170     170    100    9.05    9.05    1,539   1,539    100
NE      :   175     175     175    100    9.05    9.15    1,584   1,601    101
NC      :   560     560     550     98    9.10    9.10    5,096   5,096    100
OH      :    78      84      82     98    9.10    9.15      710     769    108
OK      :   200     190     180     95    8.90    9.00    1,780   1,710     96
PA      :    47      45      46    102    9.40    8.80      442     396     90
SD      :    71      77      65     84    9.40    9.40      667     724    109
TX      :    45      48      50    104    9.10    9.60      410     461    112
WI      :    25      26      26    100    8.70    8.80      218     229    105
        :
Oth     :
 Sts 4/ :   206     207     208    101    9.12    9.24    1,879   1,913    102
        :
US      : 2,918   2,912   2,917    100    9.06    9.11   26,449  26,518    100
--------------------------------------------------------------------------------
1/  May not add due to rounding.
2/  Number of pigs born June-August that were still on hand September 1, or
    had been sold.
3/  Intentions.
4/  Individual State estimates not available for the 33 other States.




           Farrowings:  Number of Sows, Pigs per Litter, and Pig Crop
           by State and United States, September-November 2005-2006 1/
--------------------------------------------------------------------------------
        :      Sows Farrowing      :                 :       Pig Crop 2/
        :--------------------------:      Pigs       :--------------------------
        :        :      2006       :   per Litter    :        :      2006
  State :        :-----------------------------------:        :-----------------
        :  2005  :        :as % of :        :        :  2005  :        :as % of
        :        : Number :  2005  :  2005  :  2006  :        : Number :  2005
--------------------------------------------------------------------------------
        :   1,000 Head     Percent    --- Number --       1,000 Head    Percent
        :
AR      :    42       37      88      9.70     9.75       407      361     89
CO      :    81       84     104      8.80     8.80       713      739    104
IL      :   200      210     105      8.85     9.10     1,770    1,911    108
IN      :   135      140     104      9.00     8.90     1,215    1,246    103
IA      :   455      465     102      9.00     9.05     4,095    4,208    103
KS      :    84       87     104      8.70     8.85       731      770    105
MI      :    47       50     106      9.20     8.95       432      448    104
MN      :   280      275      98      9.25     9.30     2,590    2,558     99
MO      :   175      170      97      8.95     9.00     1,566    1,530     98
NE      :   175      180     103      9.05     9.25     1,584    1,665    105
NC      :   550      550     100      9.00     9.15     4,950    5,033    102
OH      :    81       83     102      9.10     9.20       737      764    104
OK      :   190      185      97      8.90     9.00     1,691    1,665     98
PA      :    47       43      91      9.80     9.00       461      387     84
SD      :    81       70      86      9.30     9.45       753      662     88
TX      :    44       44     100      8.90     8.95       392      394    101
WI      :    27       28     104      8.65     8.90       234      249    106
        :
Oth     :
 Sts 3/ :   206      209     101      9.04     9.13     1,866    1,911    102
        :
US      : 2,900    2,910     100      9.03     9.11    26,187   26,501    101
--------------------------------------------------------------------------------
1/  May not add due to rounding.
2/  Number of pigs born September-November that were still on hand December
    1, or had been sold.
3/  Individual State estimates not available for the 33 Other States.




       Monthly Farrowings:  Number of Sows, Pigs per Litter, and Pig Crop,
                United States, December-November 2006-2007 1/ 2/
--------------------------------------------------------------------------------
        :    Sows Farrowing     :    Pigs per Litter    :       Pig Crop
  Month :-----------------------------------------------------------------------
        :   2006    :   2007    :   2006    :   2007    :   2006    :   2007
--------------------------------------------------------------------------------
        :  --- 1,000 Head --        ---- Number ----       --- 1,000 Head ---
        :
Dec 1/  :     937        948        8.98        9.05         8,411      8,578
Jan     :     952        965        9.08        9.09         8,646      8,776
Feb     :     951        961        9.05        9.08         8,605      8,730
Mar     :     984                   9.04                     8,898
Apr     :     969                   9.07                     8,788
May     :     974                   9.13                     8,893
Jun     :     973                   9.10                     8,856
Jul     :     965                   9.10                     8,780
Aug     :     974                   9.12                     8,882
Sep     :     987                   9.10                     8,986
Oct     :     972                   9.12                     8,863
Nov     :     951                   9.10                     8,652
        :
Total   :  11,590                   9.08                   105,259
--------------------------------------------------------------------------------
1/  December preceding year.
2/  Monthly values may not add to quarterly or annual totals due to
    rounding.




Reliability of March 1 Hogs and Pigs Estimates

Survey Procedures:   A random sample of roughly 9,300 U.S.
producers was surveyed to provide data for these estimates.  Survey procedures ensured that all hog and pig producers, regardless of size, had a chance to be included in the survey.  Large producers were sampled more heavily than small operations.  During the first half of March, data were collected from about 7,350 operations, 79 percent of the total sample.  The data collected were received by electronic data reporting (EDR), mail, telephone, and face-to-face personal interviews.  Regardless of when operations responded, they were asked to report inventories as of March 1.

Estimation Procedures:   These hogs and pigs estimates were
prepared by the Agricultural Statistics Board after reviewing recommendations and analysis submitted by each field office. 
National and State survey data were reviewed for reasonableness with each other and with estimates from past years using a balance sheet.  The balance sheet begins with the previous inventory estimate, adds the estimates of births and imports, and subtracts the estimates of slaughter, exports, and deaths.  This indicated ending inventory level is compared to the Agricultural Statistics Board estimate for reasonableness.

Revision Policy:   Revisions to previous estimates are made to
improve quarter to quarter relationships.  Estimates for the previous four quarters are subject to revision when current estimates are made.  In December, estimates for all quarters of the current and previous year are reviewed.  The reviews are primarily based on hog check-off receipts and slaughter.  Estimates will also be reviewed after data from the Department of Agriculture five-year census of agriculture are available.  No revisions will be made after that date.

Reliability:   Since all operations raising hogs are not included
in the sample, survey estimates are subject to sampling variability.  Survey results are also subject to non-sampling errors such as omissions, duplication, and mistakes in reporting, recording, and processing the data.  The affects of these errors cannot be measured directly.  They are minimized through rigid quality controls in the data collection process and through a careful review of all reported data for consistency and reasonableness.

To assist users in evaluating the reliability of the estimates in this report, the "Root Mean Square Error" is shown for selected items in the following table. The "Root Mean Square Error" is a statistical measure based on past performance and is computed using the difference between first and final estimates.  The "Root Mean Square Error" for hog inventory estimates over the past 20 quarters is 0.9 percent.  This means that chances are 2 out of 3 that the final estimate will not be above or below the current estimate of 61.1 million head by more than 0.9 percent.  Chances are 9 out of 10 that the difference will not exceed 1.5 percent.



                     Reliability of March 1 Hog Estimates 1/
--------------------------------------------------------------------------------
            :       :                 :   Difference Between    :   Quarters
            : Root  :       90%       :    First and Latest     :---------------
            : Mean  :   Confidence    :        Estimates        : First : First
    Item    :Square :      Level      :-------------------------: Above : Below
            : Error :                 :Average:Smallest:Largest :Latest :Latest
--------------------------------------------------------------------------------
            :    Percent        --------- 1,000 Head ---------        Number
            :
All Hogs &  :  0.9     1.5      917      423      0      1,386      2      17
 Pigs       :
            :
Pig Crop    :  1.2     2.0      522      228      7        824      3      17
            :
Expected    :
 Farrowings :
            :
 Next       :
  Quarter   :  1.2     2.1       61       30      7         91      7      13
            :
 Following  :
  Quarter   :  1.7     2.9       85       39      2        126      8      12
--------------------------------------------------------------------------------
1/  Based on quarterly records for the past 20 quarters.




      Information Contacts
                
                
Listed below are the commodity specialists in the livestock Branch of the National Agricultural Statistics Service to contact for additional information. 

Dan Kerestes, Chief, livestock Branch(202) 720-3570

livestock Section

William Weaver, Head, livestock Section          (202) 720-3570
     Bruce Boess - Hogs and Pigs(202) 720-3106
     Shawn Clark - Dairy Products(202) 690-3236
     Jason Hardegree - Milk Production and Milk Cows(202) 720-3278
     Scott Hollis - Sheep & Lambs, Goats(202) 720-4751
     Mike Miller - Cattle, Cattle on Feed(202) 720-3040
     Benita Hodge - livestock Slaughter(515) 284-4340
     Charmaine Wilson - Dairy Products Prices(202) 690-2168


                     
                              
               

               
                         



                              
               



                 
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