Effects of pregnant mare serum and chlortetracycline on the reproductive efficiency of sows.
D000818:Animals; D001724:Birth Weight / Q000187:drug effects; D002751:Chlortetracycline / Q000494:pharmacology*; D004971:Estrus / Q000187:drug effects; D005260:Female; D005306:Fertilization / Q000187:drug effects; D006064:Gonadotropins, Equine / Q000494:pharmacology*; D007774:Lactation / Q000187:drug effects; D008098:Litter Size / Q000187:drug effects; D011247:Pregnancy; D012098:Reproduction / Q000187:drug effects*; D013552:Swine / Q000502:physiology*; D013997:Time Factors; D014886:Weaning
D006064:Gonadotropins, Equine; D002751:Chlortetracycline