Ovulation rate, lambing rate, litter size and embryo survival of Rambouillet sheep selected for high and low reproductive rate
Ewes from lines selected for high and low reproductive rate and a control line bred and selected randomly were endoscopically examined 3 to 5 d after breeding to determine ovulation rates in the fall of 1985, 1986 and 1987. Fertility (ewes lambing per ewe exposed), lambing rate (lambs born per ewe e...
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Veröffentlicht in: | Journal of animal science 1990-08, Vol.68 (8), p.2263-2270 |
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Hauptverfasser: | , |
Format: | Artikel |
Sprache: | eng |
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