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Preliminary Results On Fertility, Prolificacy, Lamb Production, And Carcass Traits Of Romanov Sheep In Canada, Mohamed Hamed Fahmy
Preliminary Results On Fertility, Prolificacy, Lamb Production, And Carcass Traits Of Romanov Sheep In Canada, Mohamed Hamed Fahmy
3rd World Congress on Genetics Applied to Livestock Production
Performance of 14 ewes imported from France and their progeny born in Canada over a period of five years are reported. Least-squares means for fertility were 100% for ewes mated in the fall and winter and 42% for those mated in the summer (May - June). Litter size at birth (2.86 ± .15) and at weaning (2.10 ± .15) were significantly affected by season of mating and parity. The most prolific matings were those of the fall (3.18) and of ewes in their 5th parity (3.54). On the average .52 (18.2%) lambs died at birth and a further .25 (8.7%) …