Effects of milk feeding levels and starter feed crude protein and fat contents on growth performance, rumen fermentation, and purine derivative excretion in urine of dairy calves

Effects of milk feeding levels and starter feed crude protein and fat contents on growth performance, rumen fermentation, and purine derivative excretion in urine of dairy calves

ABSTRACT: The study investigated how different milk feeding levels and the composition of the starter feed interact to influence growth performance, rumen fermentation, certain blood parameters, and the excretion of purine derivatives in the urine of dairy calves. A total of 72 female Holstein dairy...

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Main Authors: M. Yazdanyar, M. Kazemi-Bonchenari, M. Eghbali, A. Sadeghisharif, A. Jafari, M. Molaei, M. Kornasi, H. Khalilvandi-Behroozyar, M.H. Ghaffari
Format: Article
Language:English
Published: Elsevier 2025-05-01
Series:Journal of Dairy Science
Subjects:
milk allowance
starter protein
starter fat
calf
Online Access:http://www.sciencedirect.com/science/article/pii/S0022030225001997
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