title: Influence of day estrous cycle at treatment on response to estrous cycle regulation by norethandrolone implants and estradiol valerate injections.
mesh_terms: D000818:Animals; D002417:Cattle / Q000502:physiology*; D004958:Estradiol / Q000008:administration & dosage / Q000494:pharmacology*; D004971:Estrus / Q000187:drug effects*; D005260:Female; D005306:Fertilization; D007279:Injections, Subcutaneous; D007315:Insemination, Artificial / Q000662:veterinary; D009639:Norethandrolone / Q000008:administration & dosage / Q000494:pharmacology*; D011247:Pregnancy; D012867:Skin; D013997:Time Factors; D014631:Valerates
chemical_list: D014631:Valerates; D004958:Estradiol; D009639:Norethandrolone