Autumn cows mating when caught
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The autumn weather is cool, the forage is abundant, the feed is adequate, the bull is energetic, and the cow has a short estrus cycle and long duration. It is the golden season for breeding. Therefore, the author suggests that the cattle farmers should seize the opportunity to breed the cows in time. 1. Zhuang Qiu, promote ovulation of cow estrus. Before the breeding period, cows of appropriate age should have a moderate body condition. Over- or under-weight cows are not conducive to breeding. The cows with poor body condition can adjust the ratio of formulated feeds appropriately, increase the number of nutrition and feeding times, and extend the grazing time. Mow the grass and feed the cows to make the cows estrus in the short-term. Always pay attention to the nutritional balance and guard against over-obesity of cows caused by too much intake of protein and energy feeds, so as not to affect the quality of breeding. 2. Grasp aphrodisiac to create conditions for timely breeding. In order to ensure that the cows are able to heat in the best conception period, and the conception rate is increased, acne measures may be appropriately taken for cows that are not estrus. 1 With estrus bulls chase non-estrus cows, prompting cows to heat. 2 For estrus-producing cows, injections of estrogen can be used, 25-35 mg of diethylstilbestrol, 40-60 mg of diphenol ethane, or 3-5 g triads. The cow can be estrus after the injection. 3 Chinese medicine aphrodisiac, the specific method is: Motherwort 30 grams, 24 grams of pumpkin leaves, 15 grams of safflower, Jianshui gavage to the cattle. Cows can be estrus and maternally pregnant. 3. Find opportunities to breed estrus cows. After estrus in cows, common loss of appetite, excitement and anxiety, mutual climbing, often urinating position, less urine, purgative dampness, congestive swelling, micro-open, often accompanied by white translucent mucus outflow, touch the cow at this time Hips. The oxtail is tall, quiet, and the two hind legs open for mating. After the appetite gradually recovers, the loss of libido, genital swelling gradually subside, mucus is small and thick, for rectal examination, estrus is in the follicular maturation period or ovulation period, at this time the most suitable for breeding cows or insemination, artificial insemination is to improve the cow The important technique of conception rate, especially the rectal grasping method, is to insert the vas deferens flatly into the cervix 5-7 centimeters, and then slowly inject the semen. After the insemination, the vas deferens is slowly pulled out to prevent damage to the cow. Vaginal or semen efflux. 4, re-management, to ensure the normal development of the fetus. Do not allow the cow to exercise vigorously within 2 hours of mating, avoid drinking or eating too much. After 15 days of breeding, feed was added at night and 1 to 1.5 kg of bran was added to give clean drinking water containing a small amount of salt to promote implantation of fertilized eggs. During pregnancy, cows are fed feeds containing protein, vitamins, and minerals to meet the needs of cow growth and fetal, placental, and uterine growth. Feeding moldy, frozen, toxic, and acid-rich feeds is strictly prohibited to prevent enteritis. Abortion, miscarriage, or stillbirth Beware of miscarriages caused by overt shocks, collisions, and other external factors.