title: [Effect of a gestagen used for the induction of synchronous estrus and fertilization of cattle].
abstract: The preparations Synchrosyn, Gestafortin, and Bovisynchron, having chlormadinonacetate as a common active ingredient, were used to induce synchronous estrus and fertilization in heifers. A total of 254 animals were involved belonging to the following breeds: Bulgarian Simmental, Bulgarian Red, Bulgarian Brown, and Black Pied. All three preparations were administered orally: Synchrosyn and Gestafortin were given with the forage at the rate of 10 mg chlormadinonacetate, and Bovisynchron was offered twice daily at an interval of 12 hours, rated 1 cu. cm each time, by means of a syringe (a daily dose of 20 mg clormadinonacetate).
mesh_terms: D000818:Animals; D002417:Cattle; D002715:Chlormadinone Acetate / Q000008:administration & dosage / Q000494:pharmacology*; D004341:Drug Evaluation; D004971:Estrus / Q000187:drug effects*; D005260:Female; D005298:Fertility / Q000187:drug effects*; D005300:Fertility Agents, Female / Q000494:pharmacology*; D007315:Insemination, Artificial / Q000662:veterinary*; D011247:Pregnancy
chemical_list: D005300:Fertility Agents, Female; D002715:Chlormadinone Acetate
vernacular_title: V'rkhu efekta na edin gestagen, izpolzvan za indutsirane na sinkhronen estrus i zaplozhdane pri iunitsi