Dry roughage
Dry roughage is the main feed for winter and spring seasons of mutton sheep, including various crop straws, green hay, and clam shells. 1 crop straw. Generally used after short. When feeding lambs within 3 months of age, the grass powder and the concentrate can be mixed in a certain ratio to form a full-price feed or pressed into granules to facilitate the feeding and digestion of the lamb. 2 green hay. Gramineous pastures are harvested at the heading stage, and legumes are harvested during the flower bud formation period. When drying, the grass should be evenly diluted. After a day or two of exposure to the sun, when the grass reaches 70% to 80% dry, it is quickly piled up and further dried by the heat of the grass itself. The color of the dried hay is green, the nutrient loss is small, dry, crisp and grassy, ​​and the meat sheep are particularly willing to eat. 3 clam shell feed. Including wheat bran, bean pod, gluten, peanut shell and cotton husk, compared with crop straw, they have higher total nutritive value, more protein content and less crude fiber, which is a better source of roughage for meat sheep.
Green Green
Green feed is the main feed for mutton sheep in summer and autumn. Ordinary meat sheep can meet the needs of protein, energy, vitamins and some minerals as long as they can eat enough green feed. However, ewes in late pregnancy, lactation, and breeding rams must be supplemented with concentrate.
Jingfu
Meat sheep must be supplemented with concentrate, commonly used are corn, bean cake, bran, cottonseed cake, peanut cake and so on. Sheep are herbivorous livestock. In addition to lambs before the age of 3 months, concentrates can only be used as supplements, and roughage should be used as the main diet. Usually the amount of replenished concentrate is 200-500 grams per day.
Mineral feed
Mineral feeds mainly include salt, bone meal, shell powder, calcium hydrogen phosphate and trace element additives to supplement the shortage of minerals in the diet. In addition to salt and bone meal, mineral feeds are rarely used alone, and are generally mixed as an additive in concentrates for feeding.
Unconventional feed
Urea and biuret are currently used more, of which urea is more commonly used, and 1 kg of urea is equivalent to 2.62-2.81 kg of protein. After being eaten by sheep, urea is not directly decomposed and absorbed, but is first used by rumen microorganisms to synthesize bacterial proteins, which are then absorbed and utilized. Urea is only used to supplement the protein deficiency of the feed, and its content should not exceed 20%-35% of the protein required by the diet. The use of urea is: 1 made into mixed feed or pellet feed. The urea is directly fed with the concentrate in a ratio of 1% to 2%, or pressed into pellet feed for feeding. 2 Add urea during the silage process. Studies have shown that adding 0.5% urea to corn silage can increase the total crude protein content by 10%-12%, which can significantly improve the nutritional value of straw. 3 made high protein compound feed. The content of digestible crude protein in the feed of the sheep is balanced by a mixture containing urea, minerals and vitamins. It should be noted that: urea should be mixed with concentrate and fed continuously for effect, only mixed with straw is not effective; do not immediately give water to the sheep after feeding urea; sick sheep, lambs and sheep can not feed urea when they are fasting.
Feed additive
Feed additives mainly include trace elements, multivitamins, growth promoters, deworming health care agents, rumen regulators and feed protection agents. These materials are uniformly mixed together according to a certain ratio, called premix, and premixed. When combined with concentrate and roughage in a certain percentage, it becomes a full-price feed for mutton sheep. Common mutton premixes are 1% and 5%. For individual farmers, it is convenient and practical to use 5% premix. Just prepare corn, bean cake, bran and grass powder, then add 95 kg mixture. Mixing 5 kg of premix will become a full-price feed.
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