Forage evaluation. I. Performanc of holstein heifers fed only early-cut or late-cut alfalfa hay on a free-choice basis.
D000821:Animal Feed / Q000032:analysis*; D000818:Animals; D002417:Cattle / Q000254:growth & development*; D005260:Female; D000455:Medicago sativa; D006109:Poaceae / Q000032:analysis*