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...
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Universidad del Zulia
2010-06-01
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| Series: | Revista Científica |
| Subjects: | |
| Online Access: | http://www.produccioncientificaluz.org/index.php/cientifica/article/view/14778 |