Do dairy cows need to add trace elements in their daily feeding?

Once the cattle are deficient in zinc, the skin will be rough and thick, similar to dermatitis symptoms, mainly in the nose mirror, ears, anus, vulva, tail tip hind limbs and neck. Because zinc and calcium have antagonistic effects, too much calcium intake can also lead to zinc deficiency. The symptoms of copper deficiency in cattle include anemia, emaciation, frequent diarrhea in calves, easy fracture, joint swelling, toe landing, decrease of red blood cells and hemoglobin, etc. This disease is caused by insufficient copper content or excessive elements such as zinc, lead and calcium carbonate in feed.

If it is a complete feed, you can use vitamins and trace elements at the same time. If you feed with drinking water, vitamins and trace elements cannot be used at the same time. Some feed additives mix vitamins and trace elements together. As a flavoring agent to enhance appetite, salt can also increase the appetite of cattle. Of course, in fact, feeding salt is completely based on the physiological characteristics of cattle, helping cattle to supplement nutrition and enhance appetite.

Cattle forage and concentrate itself contain a small amount of trace elements, and the content of trace elements in a single forage can not meet the growth and development needs of cattle, so it is necessary to feed cattle with various feeds in the process of feeding cattle to ensure the nutritional balance of cattle. Licking brick is a high-quality feed made of natural mineral trace elements, which is safe, efficient, economical and simple. Licking bricks are designed and produced according to the licking habits of ruminants, and mineral elements needed by ruminants are added. If you let cows eat a lot of roughage and concentrate, then you don't have to buy lick bricks or additive premix, but you must provide enough green feed. Because this feed contains very rich trace elements.

Bone meal: it is a good calcium and phosphorus supplement feed, containing 290-360 grams of calcium and 0/20-/0/50 grams of phosphorus per kilogram. If you use bone meal as fertilizer to feed cattle, you must fully disinfect it before use. Herbivores are most likely to cause phosphorus deficiency. Phosphorus deficiency can also cause rickets and reduce reproductive capacity. The ratio of calcium and phosphorus requirements of cattle is 1:2~ 1. 4。 Magnesium. It mainly exists in bones, accounting for about 60%.