| Autor: |
Kott, R. W., Ruttle, J. L., Southward, G. M. |
| Zdroj: |
Journal of Animal Science; September 1983, Vol. 57 Issue: 3 p553-558, 6p |
| Abstrakt: |
Medium wool ewes were injected with vitamin E and(or) Se over a 2-yr period to evaluate the influence of these treatments on reproduction. Ewes were divided randomly into four groups, consisting of a control, plus groups receiving monthly sc injections of either 272 IU vitamin E, 4 mg Se or 272 IU vitamin E plus 4 mg Se during pregnancy. Selenium administration increased (P<.05) ewe blood Se concentrations, but had no effect (P>.10) on fertility (number of ewes lambing of ewes bred), prolificacy (number of lambs born/ewe lambing) or lamb sex ratio. Preweaning survival of lambs was increased (P<.05) by ewe treatments with either Se or vitamin E and thus, treated ewes weaned approximately 20% more lambs/ewe mated than did control ewes. |
| Databáze: |
Supplemental Index |
| Externí odkaz: |
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