The climate in autumn is cool, the pasturage is used for flowering, and the nutritional value is relatively high. The cattle are in the retiring stage and are the golden season for cow estrus breeding. Developing cattle breeding in autumn is an important part of guaranteeing full-fledged and full-heartedness. Cattle cattle breeding in the fall should pay attention to the following points. First, select the bull. Breeding cattle is of good quality and has a great influence on the herd. Therefore, it is necessary to choose tall, strong, and excellent bull breeding ages from 3 to 8 years old. Breeding cattle is best hand-picked, with the former should not be over-compulsory, with the first 10 days in addition to normal grazing, it should also be fed nightgrass and supplementary feed soy flour, corn flour and other concentrates, breeding busy, you should also feed some animals Feeds, such as eggs, bone meal, fish meal, etc., to ensure semen quality. It is advisable for the bull to breed 1 to 2 times per day. It is advisable to let the bulls rest for 5 to 7 days in a row. At the same time, it is necessary to prevent the bulls from being misallocated so as not to reduce the breeding quality and cause adverse consequences. Second, raise a good cow. Cows should reduce their causativeness during the estrus season, properly grazing, and feed the concentrates sooner or later to promote normal estrus. Thin and weak cows are to be dewormed once in the early autumn, and then feed for 2 months to 1 month with concentrated feeds. For individual disease-free cows that can not be bred for many times, Chinese herbal medicines can be used for aphrodisiac, pay attention to replenishment of concentrate feeds, and carefully nurse them as soon as possible. The cow has a good sensation and normal estrus. It can be guaranteed by fertilization and pregnancy. Third, timely breeding. Cattle estrus: Cattle for 18 to 20 days, Buffalo for 25 to 28 days. Estrus duration: 1 to 2 days for cattle and 3 days for buffalo. The characteristics of the estrus of cows are unrest, often called, love approaching the bulls, urinating postures, redness of the vulva, outflow of red transparent colloidal secretions, and ovulation in the estrus and later stages of the estrus. At this time, breeding with the bull is the easiest way to become pregnant. However, some female steaks do not easily grasp the eggs, it is best to repeat the mating method, with a clear estrus symptoms, once after 8 hours and then re-equip, can improve the conception rate. In addition, don't let the cows get into the water and go uphill after 1 to 2 hours breeding and avoid drinking or feeding. Pay attention to increase the nutrition of pregnant cows and ensure the normal development of the fetus. China Agricultural Network Editor