NEWS
Fescue and Bull Fertility
Mon Mar 2, 2015 01:49 PM CST

Researchers and cattle producers have known for years that fescue pastures containing a common toxic endophyte can hurt cow conception rates. That same endophyte can affect semen quality in bulls as well.

Scott L. Pratt, Clemson University animal scientist, said researchers there first started exploring the connection in 2011. Rather than letting young bulls graze on fescue containing the endophyte, they fed them a concentrate grain ration containing fescue seed with the endophyte. The control group also got a concentrate ration with fescue seed, but in that case, the seed didn't have the ...

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