Effects of endophyte-infected tall fescue on performance of genotyped pregnant beef cows and heifers supplemented with rumen-protected niacin

Fescue toxicity is the result of cattle consuming fungal (Ergot spp.) endophyte tall fescue, a perennial forage widely used in the United States. Ergot alkaloids produce vasoconstriction; however, rumen-protected Niacin (RPN), known by its vasodilation ability, may act as an alleviator for fescue to...

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