Scientifically selected feed deer has the digestive characteristics of ruminants, has a wide range of food habits, and can feed and use a variety of plants and various agricultural and sideline products and silage. Therefore, feed should be dominated by green roughage supplemented by concentrate feed to reduce the cost of raising deer. A variety of feed with a reasonable deer in the growth, development, reproduction, antler period, the body metabolism, requires a variety of nutrients involved in the metabolic process. Therefore, the nutrition of a single feed is not comprehensive, and it is necessary to select a reasonable mix of various feeds in order for the deer to obtain full-price nutrition with good quality. Pay attention to the quality of feed for the deer to provide feed, not only to note the amount of nutrients, but also consider the quality of feed, forage. Elimination of rotten spoilage, silt, pesticide contamination and toxic and harmful feed. At the same time, the feed should be carefully modulated to improve feed palatability and maintain feed nutrient content. The composition of the diet should be relatively stable and the deer herd production has obvious seasonality. There is a certain habit in the intake of the deer, and the summer and autumn seasons are dominated by fresh green forage, and the winter and spring seasons are fed with stock feed and concentrate. When the feed is changed, the amount of newly exchanged feeds will gradually increase, gradually adapting the digestive function of the deer and the intestinal microbiota to the digestion of new feeds. Regular quantitative feeding of deer group pay attention to regular ration, observe the feeding times and order, can make the deer to develop good eating habits, regular secretion of digestive juice, increase appetite, is conducive to the deer's digestion and absorption of feed. Generally, the captive deer is fed three times a day, two meals during the day and a meal at night. Grazing deer herd should feed supplements after herd feeding, during the peak season, feed once at night to ensure deer nutritional needs. Feeding sequence: fine material, coarse material, and intermediate water. Pay attention to drinking water for deer digestion and absorption of nutrients, transport and metabolism of nutrients in the body, the physiological regulation of the body has an important role. After deer eating, drinking water is large and many times. The water supply should be based on the season, the nature of the feed, the age of the deer, and the physiological state. Summer heat should pay attention to increase the amount of drinking water, drinking warm water in winter is appropriate, pay attention to the quality of water disinfection, to prevent the occurrence of disease. China Agricultural Network Editor
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