Supplemented with mixed concentrates, which is the main form of supplementation of mineral elements by cattle and sheep. The fattening of cattle and sheep is generally supplemented with mixed concentrates. The mineral elements are supplemented with mixed concentrates. It is convenient to use, but care should be taken to ensure uniform mixing, especially for elements with a narrow range of safety and poisoning, such as selenium, etc. As a result, cattle and sheep have an adverse effect on the intake of excessive mineral elements. For cattle and sheep that normally feed grazing and rarely feed concentrates, this method is generally not used.

Preparing separate premixes of macromolecules and microelements allows cattle and sheep to feed freely according to their own needs. The disadvantage of this method is inconvenient use and waste.

The brick is made to allow the sheep and cattle to feed, and the brick is designed according to the formula of the nutritionist. The various mineral elements necessary for the livestock, including salt, are mixed together and then compressed under high pressure and have a certain strength. The massive product. Livestock can lick any of these lumpy products according to their own needs, which is very convenient and safe to use. For cattle and sheep that are rarely replenished with grazing supplements, this is a good way to supplement minerals. In the past, rubble bricks were mainly produced by countries with developed livestock husbandry in foreign countries and were more expensive. Now most provinces and regions in China can produce, the quality is better, and the price is much cheaper than similar foreign products.

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