Forage evaluation. II. Productive response of first-calf holstein heifers fed early-cut or late-cut alfalfa hay as the only source of enrgy throughout a total lactation.
D000821:Animal Feed; D000818:Animals; D002417:Cattle / Q000254:growth & development*; D005260:Female; D000455:Medicago sativa; D008892:Milk; D006109:Poaceae