Effect of bovine Somatotropin (bST) on peripubertal growth rates of Holstein heifers fed two planes of nutrition

Effect of bovine Somatotropin (bST) on peripubertal growth rates of Holstein heifers fed two planes of nutrition

Three groups of Holstein heifers were utilized (N = I,39; II,63; III, 183) for growth rates of about 0.675 (control) or 0.900 (high) kg/d from 50 or 90 to 365 days of age. Heifers were fed either alfalfa silage or corn silage plus grain concentrate. Body weights and heights at withers were measured...

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Bibliographic Details
Main Authors: A. Garcia Gavidia, D. Feitsma, M.J. Hayen, L. Cline, H.H. Head, C.J. Wilcox
Format: Article
Language:English
Published: Universidad del Zulia 2010-06-01
Series:Revista Científica
Subjects:
heifers
bST
bovine Somatotropin
body weight
height
Online Access:http://www.produccioncientificaluz.org/index.php/cientifica/article/view/14778

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