Dry cow breeding?

Dry-milk dairy cows (or dry cows) are cows that have passed from the stop of milking to 15 days before calving to calving and from 7 months of pregnancy to 15 days before calving. These cattle also weigh the fetus. . The correctness of the feeding and management of heavy fetal cattle has a very important influence on their fetal protection, postpartum breast augmentation and the breeding and health of the next fetus. The physiological status and living habits of heavy fetal cattle are similar, and it is best to set up a single house and a single herd. In order to benefit fetal protection, it is best not to take blood, vaccination, or hoof repair at this stage. Heavy fetus body condition should maintain a medium level. Cows are over-fertilized and are prone to dystocia, and most postpartum appetites are prone to cause ketosis. Therefore, the cows should be fed with hay in the first ten days after stopping milk, and then adjust the diet from the second day based on the body condition of the dairy cows, breast expansion and appetite. If the body condition of the cow is poor and the breasts are not inflated, the concentrate may be fed in an appropriate amount. If, on the contrary, the breasts are inflated, the concentrate may not be fed. In order to improve the health of dairy cows, diets should also be supplemented with minerals, vitamins and salt. Heavy-fat cattle must not be fed with spoilage, roughage, and frozen rootstock to avoid miscarriage and bloating. Heavy fetal cattle should be clean drinking water, winter water temperature is not less than 10 degrees Celsius, otherwise it is easy to cause miscarriage. Conditional dairy farms, heavy fetuses can exercise for 2-8 hours per day. This is conducive to childbirth, but also can prevent postpartum placental retention, warts, limbs and feet disease. 1. Dry dairy cow dietary nutrition needs: In the lactation period, due to continuous milk production, cows must consume enough nutrients. In order to meet its nutritional needs, the rumen has been highly stressed for a long time. Therefore, there should be some time in the dry period to allow the digestive tract to recover spontaneously. At the same time, too much fine feed, it is easy to make the cow over-fat, resulting in difficult difficulties in calving. For this purpose, the amount of feed should be controlled and the medium level of nutrition maintained. The general dietary dry matter intake should be controlled at 2% of the body weight of dairy cows, and the amount of concentrate should be 0.6-0.8% (3-4kg) of body weight. The rough ratio is 25:75. 2. Supply standards for other feeds: silage, grass 10-15kg per cow per day, quality hay 3-5kg, dregs (sweet, bean curd residue) and juicy feed (beet, carrot) feed per cow per day The amount does not exceed 5kg. 3. Late dry milk: Protein levels should be appropriately increased in the diet, and low-calcium feeding methods (50g and 30g daily calcium and phosphorus feeds) should be used to avoid high-calcium diets, which will prevent postpartum ketosis in cows. The occurrence of milk fever is extremely important. 4. The supply of minerals is extremely important and must be guaranteed. Calcium dihydrogen phosphate is the preferred mineral to supplement calcium and phosphorus. 5. Problems to be Solved in Dry Dairy Breeding (1) Strictly control the amount of concentrate feed to prevent excessive dietary nutrient levels during the dry period and make cows become obese cows. (2) In the two weeks before birth, calcium-deficient calcium therapy, intramuscular injection of vitamin d3, and progesterone were applied to cows with frail and vulnerable diseases, to prevent milk fever, submandibular dystrophy, and ketosis.

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