Inoculant maximizes hay quality
Agri-King, Fulton, Ill., has released results from a trial conducted by Southern Illinois University scientists that measured the performance of its Silo-King forage inoculant.
Grass hay treated with Silo-King forage inoculant showed a significant difference in quality as determined by relative feed value (RFV), digestibility and retained sugars as compared to untreated grass hay in a comparison trial with hay baled on May 21, 2007. The grass hay consisted of orchard grass, fescue, and rye mixture.
At baling, Silo-King was applied at a rate of 2 pounds per ton of grass hay. In the days immediately following baling, the temperature of the Silo-King treated hay dropped more quickly than the temperature of the untreated hay. Reduced heating protects proteins and sugars which can be damaged by elevated temperatures.
When baled at 19% moisture, both grass hays had a temperature of about 108ºF. On Day 2, the temperature of the Silo-King treated hay had declined to 90 ºF; on Day 7, 80 ºF. The temperature of the untreated hay was measured at 95 ºF on both Days 2 and 7.
"By reducing heating, producers achieve three goals. They maintain a higher relative feed value, higher sugar content, and minimize protein losses due to heating. This allows forage producers to produce a higher quality hay with greater energy concentrations and digestible protein," says Dr. David Casper, Vice President of nutrition, Agri-King. "In short, they produce a higher quality hay."
An analysis of the grass hays three and a half months later, on September 10, 2007, confirmed these differences. The Silo-King treated hay contained 6.65 percent total sugars due to higher concentrations of the simple sugars fructose, glucose and sucrose. In total, it contained 23% more total sugars than the untreated hay which contained 5.40 percent total sugars.
Likewise, the Silo-King hay had a higher relative feed value (RFV) and a higher level of in-vitro dry matter digestibility than the untreated hay. The RFVs were 97 vs. 93 respectively for the hays treated with Silo-King and untreated. Likewise, the in-vitro dry matter digestibility (IVDMD) was 64.1% vs. 62.6%.
For more information, call 800-435-9560, or visit www.agriking.com.