Protein requirements for pregnant dairy cows

ABSTRACT: We aimed to estimate the protein requirements of pregnant Holstein × Gyr cows. A total of 61 Holstein × Gyr (HG) cows were used, with an average initial body weight (BW) of 480 ± 10.1 kg and age 5 ± 0.5 yr. Cows were divided into 3 groups: pregnant (n = 43), nonpregnant (n = 12), and basel...

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Bibliographic Details
Main Authors: M.I. Marcondes, F.P. Provazi, T. Silvestre, A.L. Silva, S.C. Valadares Filho, M.M. Campos, F.S. Machado, P.P. Rotta
Format: Article
Language:English
Published: Elsevier 2023-12-01
Series:Journal of Dairy Science
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S002203022300588X