Metabolizable amino acids and energy requirements of Nellore and crossbred Angus × Nellore bulls fed rations of different crude protein concentrations

Metabolizable amino acids and energy requirements of Nellore and crossbred Angus × Nellore bulls fed rations of different crude protein concentrations

Growth rate of cattle depends on their genetic makeup and nutrient intake. Moreover, increased growth rate may lead to increased amino acid (AA) requirements. Therefore, we evaluated the AA content of the empty body and estimated the net AA and energy requirements of purebred and crossbred beef bull...

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Bibliographic Details
Main Authors: P.M. Amaral, L.D.S. Mariz, D. Zanetti, S.A. Santos, M.V.C. Pacheco, J.M.V. Pereira, F.A.S. Silva, S.C. Valadares Filho
Format: Article
Language:English
Published: Elsevier 2021-01-01
Series:Animal
Subjects:
Amino acid composition
Beef cattle
CP
Fattening bulls
Predictive models
Online Access:http://www.sciencedirect.com/science/article/pii/S1751731120300367

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