In winter, pigs raised in greenhouses can fully tap the potential of production, so as to achieve more survival, faster weight gain, less consumption of materials, lower production costs, and raise the aquaculture benefits. Therefore, based on the selection of good breeds and good hybrid combinations, good ratio of rations, and scientific feeding and management, the main focus of raising pigs in greenhouses is to warm and keep warm, prevent moisture and dehumidify, and maintain the air in the shed. Fresh, the three are interconnected and indispensable. To this end, pigs in winter greenhouses should focus on the following points: Hothouse sheds are pigs that use the heating facilities to make the sheds reach a suitable temperature for pig growth and development, and to maintain long-term, neither too high nor too low. To this end, in addition to repairing pig house walls, ceilings, etc., you can also take the following measures: 1. Have a space with a heat-insulating layer or a three-layer membrane to seal the enclosure so as to achieve the purpose of warming and long-lasting warmth. 2. Set up straw curtains, curtains, sacks and other objects on plastic film or glass facilities, roll up during the day when there is sunlight, and lay down at night or on cloudy snow days, and remove frost and dust on the membrane in time to achieve more warming. The purpose of keeping warm for a long time. Second, make full use of biological energy Based on the above measures, in order to save fuel and electric energy, the method of raising the density of livestock can be used to fully utilize the respiration of pigs and the heat emitted from the body surface to further increase the warming and warming effect of the pig house. Third, training to develop habits In addition to regular and quantitative feeding, we must also use the principle of triangulation to train pigs to develop habits of fixed-point eating, drinking, fixed-point defecation, fixed-point sleep or rest. Fourth, keep the house clean and dry In order to keep the house clean and dry, it is necessary to remove the house dung and urine in a timely manner. Sprinkle dry suitable straw, sand and other litter to prevent fresh water from flowing into the ground and prevent snow from flowing into the house. Fifth, adequate ventilation In order to decontaminate and dehumidify in time, in addition to the convenience of decompression ventilation holes in the wall, but also in the roof where appropriate to leave a switchable ventilation holes, ventilation ventilation at noon or noon every day.
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