In the winter, the weather is cold, the grass is rough and the nutrition is lost. The flock has many difficulties in winter grazing. In particular, the ewes are in gestation, they need their own nutrition, and the fetus needs nutrition to grow and develop. The grazing alone cannot meet its nutritional needs. The only measure is feeding. In the early winter, there was a lot of hay and leaves, and the weather was not very cold. After the sun came out of the mountains, it was grazing. At noon, the animals grazing continuously until the evening, and the sheep were still able to feed and keep the lyrics. The depth of winter snow is thick, and the shady slopes often need to be hardened. Forage grass is lacking and it is necessary to grazing on sunny slopes or leeward and high-drying grasslands. Wind and snow can be grazing on the edge of the valley. Wind and snow can not be grazing, must be fed in time. Late feeding will soon fall out. Generally from the beginning of November to May of the following year as feeding period or feeding period. Usually two times a day to make up, make up 1 times before going out of animal husbandry, make up once after the animal husbandry in the evening. The method of supplementation is to feed the grass first, followed by succulent feed and silage. Minerals can be added to forage feed. The amount of supplementation can be calculated based on the sheep's body weight and the number of sheep, and the number of forage materials for a day and night can be calculated. The amount of forage material obtained by subtracting the amount of forage material obtained by grazing is the amount of feed that should be fed. Conversion from grazing to feeding or full-time house feeding requires a day-to-day adaptation period, usually around 10 days. The practice is to shorten the daily grazing time and increase the amount of supplements in the morning and evening so that the sheep can gradually adapt to and habitually feed. In the early stage of feeding, good quality hay should be fed. After the sheep is habituated, general hay should be fed to prevent the sudden drop of nutrition. Doing so will enable the sheep to adapt quickly to housing, otherwise it will incur diseases such as indigestion and incur economic losses. After housing, care should be taken to keep the shed clean, dry and ventilated, and to allow the sheep to maintain proper exercise capacity so as to facilitate the health of the sheep and normal delivery of the ewes. Active Pharmaceutical Ingredients Refers to the raw materials used in the production of various preparations, and is the active ingredient in the preparations
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