title: Melengestrol acetate administration to dairy heifers and progestagen levels in the peripheral blood plasma.
mesh_terms: D000818:Animals; D002417:Cattle / Q000502:physiology*; D004971:Estrus / Q000187:drug effects*; D005260:Female; D007247:Infertility, Female; D011247:Pregnancy; D011278:Pregnanes / Q000494:pharmacology*; D011374:Progesterone / Q000097:blood*; D011372:Progestins / Q000494:pharmacology*; D011485:Protein Binding; D013997:Time Factors
chemical_list: D011278:Pregnanes; D011372:Progestins; D011374:Progesterone