title: Ovulation and lambing rates in ewes actively immunized against androstenedione.
abstract: In ewes immunized against androstenedione, ovulation rate was increased (P less than 0.001) although the number of live lambs/nursing ewe (1.37), but not the sex ratio (10 females:1 male), was similar to that of controls (1.33).
mesh_terms: D000735:Androstenedione / Q000276:immunology / Q000502:physiology*; D000818:Animals; D005260:Female; D007114:Immunization; D008098:Litter Size; D010060:Ovulation; D011247:Pregnancy; D012744:Sex Ratio; D012756:Sheep
chemical_list: D000735:Androstenedione