title: The relationship between numbers of spermatozoa inseminated and fertilization rate of ova in ewes treated with fluoro-progestagen intravaginal sponges in summer and autumn.
mesh_terms: D000818:Animals; D004971:Estrus / Q000187:drug effects; D005260:Female; D005306:Fertilization; D005461:Fluorine / Q000494:pharmacology; D003425:Flurogestone Acetate / Q000494:pharmacology; D007315:Insemination, Artificial; D008297:Male; D010063:Ovum; D011247:Pregnancy; D011278:Pregnanes / Q000494:pharmacology*; D012621:Seasons; D012756:Sheep; D013094:Spermatozoa
chemical_list: D011278:Pregnanes; D005461:Fluorine; D003425:Flurogestone Acetate