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Thermal problems built greenhouses with plastic film often exist the problem of poor thermal insulation properties. Because of low winter temperatures, sunshine short,[link widoczny dla zalogowanych], shed outside temperature, and plastic film condensation of moisture, heat does not last long. Solution: First, the night sealed a layer of plastic film roof thatch grass to enhance the insulation performance. Second, the conditions can be covered and double-layer plastic film, can improve the insulation effect. Third, scientific management, develop a fixed schedule of pig feces and urine habits, to prevent the pig urinary nest. Fourth, the implementation of high-density rearing, each raising a few pigs, pens and more, make full use of pigs self-generated heat. Fifth, the ground covered in pig bedding. Sixth, the used plastic film, pay attention to check for vulnerabilities on the sticky part to make good defects, usually pay attention to protective plastic film. Moisture problems in closed canopy, water is difficult to evaporate, shed moisture,[link widoczny dla zalogowanych], affect the temperature. Cold weather, higher humidity shed, pig feel more cold. Solution: First, the air every day according to weather conditions, generally from 10 am to 14:00 when the temperature is high skylights and vents open, air 30 to 60 minutes each time. Ventilation slightly longer when the weather is fine, cloudy ventilation can be shorter. Second,[link widoczny dla zalogowanych], the conditional can be installed air-conditioning, fans adjust humidity. Third, frequently changes the bedding help eliminate moisture within the mat can also be ashes in the pig, dry soil absorbs water. Fourth, timely and wipe with absorbent cloth drops of water on plastic film to reduce the greenhouse humidity. Fifth, there should be a concrete floor slope, the smooth flow of urine can make manure pits, and promptly cleared. Harmful greenhouse gas issues pigs breathing, discharge waste, as well as feed,[link widoczny dla zalogowanych], bedding fermentation, will produce ammonia, hydrogen sulfide and carbon dioxide and other harmful gases, high levels of harmful gases such as to cause pig disease. Solution: First, on time every day to open sunroof, air vents, emissions of harmful gases into the fresh air exchange. Second, the swine waste is harmful to the most important source of gas production, must every morning, noon, afternoon, removed 1, carried out with studio clean, keeping the floor health and dry. Third, strengthen the management of utensils, pigs in the trough, spices tank, tank regularly scalded with boiling water, scrub clean. Tonne material is not left to do to prevent mold and rancidity leftover material harmful gases. While strictly separate utensils and tools and use, but also make utensils, tools, and the environment of regular and irregular disinfection to eliminate foul odor metabolites, ventilation and air to ensure freshness and improve the disease resistance of pigs to ensure that the safety of pig production.
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