Synchronisation of oestrus in Ayrshire heifers by the use of progestinated intra-vaginal pessaries.
D000042:Absorption; D000818:Animals; D001835:Body Weight; D002417:Cattle; D004971:Estrus / Q000187:drug effects*; D005260:Female; D005461:Fluorine / Q000494:pharmacology; D003425:Flurogestone Acetate / Q000378:metabolism / Q000494:pharmacology; D009639:Norethandrolone / Q000378:metabolism / Q000494:pharmacology*; D010570:Pessaries / Q000662:veterinary*; D011247:Pregnancy; D011278:Pregnanes / Q000494:pharmacology*; D013997:Time Factors; D014621:Vagina / Q000187:drug effects
D011278:Pregnanes; D005461:Fluorine; D009639:Norethandrolone; D003425:Flurogestone Acetate