Animal winter supplements vitamins

The winter season, the lack of green feed, livestock and poultry prone to vitamin deficiency. Vitamin requirements in various livestock body although very little, but it is the organic compounds necessary to maintain the normal physiological function of the animal body. The lack of time, the growth of livestock and poultry in stunted growth, productivity, and even disease.

Vitamin A vitamin A can maintain a healthy and normal physiological function of various organ systems mucosal epithelial tissues, normal vision and reproductive function to maintain cattle. Lack of vitamin A can cause a series of epithelial tissues weakened ability to resist diseases and pregnancy diseases, such as abortion, stillbirth. Should be timely supplement of vitamin A in the following cases: forage to straw based; hay cream after the harvest; pure corn silage (or even break rod after corn), corn and other feed （It is best to use concentrate feed machinery processing, ease of nutrition collocation.）varieties the proportion is low; colostrum and ordinary milk feeding amount is insufficient, early weaned calves, self prepared in artificial milk; in heat stress, transportation supplement is necessary, generally 0.5 to 1 times the amount of complement.

The main function of vitamin D vitamin D is to adjust the calcium and phosphorus absorption, metabolism and skeletal growth, vitamin D deficiency can cause rickets and calf cartilage disease of cow. Is generally believed that the requirement of calves and cattle growth to 100 kg of body weight per 660 international units. Lactating cows per kilogram of body weight 30 international units. Lactating cows prenatal (especially high-yielding cows) from half a month to start prenatal injection of vitamin A, D, E mixed formulation, can significantly effect on prevention of postpartum disease.

The main effect of vitamin E and vitamin E is a biological antioxidant and free radical scavenging effect, can improve the cellular and humoral immune response. Lack of vitamin E in calf muscle dystrophy characterized, adult cattle from natural feed can obtain sufficient quantity. Long term storage to feed its vitamin E content decreased with the prolonging of the storage time. In feeding, calves per kg diet dry matter required 25 to 40 international units, lactating cows 15 international units.

Water soluble B vitamins thiamine, riboflavin, pyridoxine, including biotin, niacin, vitamin B12, choline, to the physiological metabolism plays a certain role. But the rumen microbial cattle can be synthesized, calves rumen development normal before the B vitamins supply from milk. Therefore, to feed cows milk heating should notice when, generally within 40 DEG C advisable.