Many places still use the traditional method of raising cattle, so that the breeding rate of cows is often less than 40%, the emptying rate is more than 55%, and the growth rate of young animals is less than 20%. Therefore, in order to improve this situation, science must be implemented. Feeding management to improve cow fertility, promote the development of cattle production and improve the efficiency of cattle production. Next, Xiaobian talks about feeding management measures to improve cow fertility.

First, choose a good breed of cattle

Choose good breeds of cattle, such as selecting good males and cows with short interval of calving, double birth rate and high breeding index as breeding cattle.

Second, empty cows

Empty cows can be grazing and feeding management. Each day, each feeding is about 50 grams of salt and 1 to 2 kilograms of mixed essence of blisters such as barley, corn, and soybeans. At the same time, after grazing, they can supply sufficient drinking water and night grass. Green feed can be treated with ammoniation or silage.

Third, induce estrus and ovulation

Inducing estrus ovulation method: 1 each cow's intramuscular injection of ovulation ovulin 2 300 mg, usually 3-5 days can be matched with the fetus; 2 intramuscular injection of progesterone 200-400 mg, for 5 days, while the fourth day Intramuscular injection of pregnant horse serum gonadotropin 150,000 units; 3 intramuscular injection of triad hormone 4 ~ 6 ml, generally more than 90% of cows within three days of estrus, the conception rate can reach more than 50%.

Fourth, pregnant cows

After the cow is pregnant, it is necessary to do a good job of protecting the fetus. At the same time, in order to meet the nutritional needs of the pregnant cow and the fetus, it is necessary to supply high-quality compound feed. The compound feed can be made up of 30% corn, 20% bean cake, 15% rice, 15% cottonseed cake, 5% rapeseed cake, 15% rice bran, bone meal and salt. Feeding should be done regularly, quantitatively, and less, and warm water.

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