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Mutations in the genes for oocyte-derived growth factors gdf9 and bmp15 are associated with both increased ovulation rate and sterility in cambridge and belclare sheep (ovis aries)1
(Oxford University Press (OUP), 2004-04-01)
Belclare and Cambridge are prolific sheep breeds, the origins of which involved selecting ewes with exceptionally high litter size records from commercial flocks. The variation in ovulation rate in both breeds is consistent ...
Dna tests in prolific sheep from eight countries provide new evidence on origin of the booroola (fecb) mutation1
(Oxford University Press (OUP), 2002-06-01)
Recent discoveries that high prolificacy in sheep carrying the Booroola gene (FecB) is the result of a mutation in the BMPIB receptor and high prolificacy in Inverdale sheep (FecX(1)) is the result of a mutation in the ...