Common feed for sheep
Green fodder Green fodder is the main feed for sheep. In addition to poisonous plants, various green feed can feed sheep. In particular, the leaves and bamboo shoots of alfalfa, rhododendron, lacquer, wood, eucalyptus, small fruit rose, and mountain grasshopper, etc., can be used as sheep feed, such as bullwhip grass, bermuda root, horse pond, and revolutionary grass. Green fodder is comprehensive in nutrition and its crude protein content is about 10% in terms of dry matter. It contains various amino acids and vitamins, crude fat content is 4-5%, and crude fiber content is about 20%. Too tender green fodder tends to have high water content, large volume, easy to feed the sheep, and is also prone to hunger and diarrhoea. Therefore, some hay should be added when grazing in early spring. Fresh leguminous grasses also make it easy for sheep to swell, and it is necessary to pay attention to appropriate collocations. There are also some green feeds with odors. Some grasses such as Compositae and Polygonaceae don't like to eat sheep; leaves with astringent taste do not like sheep. In addition to natural grass and leaf resources, farmers can grow grass and raise sheep, such as ryegrass, Mexican corn, milk vetch, and sweet potato vines are all good nutrition and high yield of green feed. Energy feeds mainly refer to seeded feedstuffs and agricultural and sideline products such as corn, barley, rice, bran, etc. (cakes are often attributed to protein supplements). This kind of feed has small volume and high digestible nutrient content, but its nutrient composition is biased. For example, the energy value of seed is high, but the protein content is not high and the quality is poor; the phosphorus content is high, and calcium is often insufficient. Therefore, energy feeds are generally used as supplements for roughage during production and are used during the fortification period. Seed-like feeds should not be crushed too fine during processing, and it is best to flatten or crush, requiring a diameter of 2 mm or more. For barley and other feeds, softening by soaking, and then feeding the whole grain can also achieve better results. Succulent feeds such as sweet potatoes, squash and potatoes are also energy feeds. These feeds have high water content and good palatability, which can stimulate the appetite of the sheep and can be used as supplementary feeds, especially supplements for suckling ewes and lambs. Protein supplements Protein supplements include beans (soybeans, beans), pancakes, and non-protein nitrogen feeds. The protein content of legumes is as high as 20-40%, and the nutritive value is high, but the price is expensive and the resources are limited, and it is rarely directly used for raising sheep. Commonly used protein supplements are by-products of seed-like oil extraction, such as bean cakes, rapeseed cakes, and cottonseed cakes. Raw soybeans and broad bean are difficult to be directly digested and absorbed by sheep, and they will hinder the digestion of other nutrients. They should be inactivated by high temperature, that is, they should be soaked and cooked and then fed to sheep. The nutritional value of soybean cake is very high. Not only is the content of crude protein high, the quality is good, and it is rich in lysine. It is the most cake type. However, due to the relatively high price, most of them are used for raising pigs, raising poultry and dairy cows, and not much for raising sheep. The rapeseed cake and cottonseed cake can be safely absorbed and used by sheep and it is a cheap protein supplement. In addition, the by-products such as bean curd residue and monosodium glutamate can be used to feed sheep, and the effect is better. Feeds with high fiber content of roughage and low digestible nutrient content are called roughage, which mainly include pasture, wild weeds, crop stalks, and food processing wastes. The province's available and cheap roughage mainly includes straw such as hay and rice straw. However, these feeds have low nutritional value, low feed intake, and poor digestibility. They must be processed to destroy the structure and structure of the straw before they can increase their feed value and be effectively absorbed by ruminants.
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