1. Reasonably feeding cows after pregnancy, not only to maintain their own needs of nutrition, but also to provide nutrition for the growth of the fetus, but also the accumulation of a certain amount of nutrients to ensure postpartum lactation. Therefore, 1 to 2 kilograms of concentrate should be fed every day. The feed should be fed in good conditions. Corn, soybean meal (cake), rice, cottonseed cake, rapeseed cake, rice bran, salt, etc. must be proportioned, and the timing, Quantitative, less to add ground, never fed mildew degenerate feed, drinking water should be healthy, it is best not to let pregnant cattle fasting drinking water and drink frozen water, in the absence of rain and snow days, insist on cattle to go out activities, in order to help enhance physical fitness.
Due to the fact that most of the winter season is dominated by hay, straw, and other coarse materials, it is necessary to make a good mix of feeds. If ammoniated feeds can be used to feed cattle, the palatability of feeds can be enhanced and their nutritional level can be improved, for example, insufficient protein feeds. Urea fed feed can compensate for protein deficiency. The amount of urea is 100 to 20 kg per day for cattle.
2. To prevent miscarriage in the late winter, due to long-term negative balance in the nutrition of pregnant cows, and long-term in the house, the environment is poor, their resistance is low, prone to miscarriage. The general signs are vaginal outflow of mucus during the pre-pregnancy period, continuous review of the abdomen, and restlessness; late in pregnancy, breast enlargement, arching waist, repeated urination posture, abdominal pain, fetal movement stopped. Treatment can use progesterone intramuscular injection of 0.5 to 1 g, once a day, continuous medication for 4 to 6 days.
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