Insulation pigs have lower cold resistance than local pigs and should be insulated in winter. The wall of the pig house should be a half brick or a half thickness, with no cracks. Wall books can be stacked around as a layer of firewood. The pig house should be covered with a plastic plastic film shed. It is best to use two layers of plastic film. The shed is covered with grasshoppers at night. The shed must have ventilation holes, and it should be ventilated 1 or 2 times every day before and after noon every 30 minutes. The excrement should be promptly cleaned up, and the place to sleep should be changed frequently for hay, dry leaves, and dry sawdust. Pigs in the urine nest must be trained.
The full price of feed is due to the large consumption of physical energy of the winter fragrant pigs, so it must be ensured that the amount of feed and the feed ratio are reasonable. The type of feed should be as diverse as possible, so that the various feed ingredients of the rations to be added can complement each other nutritionally. The quality and palatability of the feed used are better. The proportion of commonly used feed is 56% corn, 15% soybean cake, 19.5% wheat bran, 7% of various mealworms, 1% of bone meal and fish meal, and 0.5% salt. In the different growth stages of the pigs, the proportion of feed should be changed. The principle is that there are more pre-concentrates and less post-concentrates. Because of the habit of eating green fodder, in the winter, cabbages, radishes, carrots, and potatoes can be used instead of green fodder. Rotten vegetables do not feed sweet pigs.
To feed cooked foods, hot foods, raw pigs are mainly based on cooked foods. Cooked feeds can increase feed utilization. In the cold winter, feeding cooked food can enhance the cold-proof ability of the pig and accelerate the growth rate, such as unconditional feeding of cooked food, at least to feed warm food. Feeding should be done regularly, big pigs should be fed 3 times a day, and pigs should be fed 4 times a day.
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