title: Use of probit analysis in a study of the effect of the ram on time of ovulation in the ewe.
mesh_terms: D000818:Animals; D004971:Estrus / Q000502:physiology*; D005260:Female; D008297:Male; D008433:Mathematics; D010060:Ovulation / Q000502:physiology*; D011247:Pregnancy; D012756:Sheep