Relationship between the number of immunostaining gonadotropes and the plasma concentrations of gonadotrophins in ewes with and without the FecBB gene.

Abstract excerpt

Booroola ewes possess a major gene, FecBB, that influences their ovulation rate (number of ovulations per oestrous cycle). Homozygous (BB) carriers of the FecBB gene have higher plasma concentrations of FSH and sometimes LH relative to the non-carriers (++). The aim of this study was to determine whether the plasma concentration differences in FSH or LH between the genotypes were due to a greater number of FSH...

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