1 Chinese medicine aphrodisiac law: The traditional Chinese medicine prepared by Angelica, Astragalus, Vaccaria, Motherwort, Herba Epimedii, Yang Qi, etc., is added to the feed and is generally fed for 3 to 5 days. 2 hormone aphrodisiac method: commonly used ethylene estradiol with vitamin A, vitamin E, according to the use of intramuscular injection, usually once; pregnant horse serum gonadotropin, follicle stimulating hormone and other intramuscular injection; prostaglandin (PG-600) It can treat estrus caused by the presence of persistent corpus luteum.