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
Hauptverfasser: Schoenian, S.G. (Montana Agricultural Experiment Station, Bozeman), Burfening, P.J
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Sprache:eng
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