Rusche, W C Influence of source and amount of dietary protein on performance, blood metabolites, and reproductive function of primiparous beef cows. [electronic resource] - Journal of animal science Mar 1993 - 557-63 p. digital Publication Type: Journal Article ISSN: 0021-8812 Standard No.: 10.2527/1993.713557x doi Subjects--Topical Terms: Animal FeedAnimalsBlood Glucose--analysisBlood Urea NitrogenCattle--bloodDietary Proteins--administration & dosageFemaleFertilityLactation--bloodLuteinizing Hormone--bloodParityPostpartum Period--bloodPregnancyPregnancy, Animal--bloodRandom AllocationWeight Gain