1, humidity - sow bed equipment, sow bed humid air thermal conductivity is 10 times the thermal conductivity of dry air, indoor humidity is too high, it will cause the increase in pig heat, so that the pig itself is cold, and Cause eczema and other diseases. In order to prevent the pig house from being wet, it is necessary to change the dry soil and bedding of the house, train the pigs to defecate and urine, and ensure that the place where the pig is lying is clean and dry. Sow production beds, sow production can be used in the production of indoor lime block to reduce indoor humidity. 2. Stress Winter is cold and pigs are very sensitive to stress. In case of stress, the growth of pigs will be hindered and feed consumption will increase. Therefore, to keep the pig house and the surrounding environment quiet, the keepers should wear a fixed work clothes, and the staff should not enter the pig house to block the rat hole in the pig house, and regularly discharge the baits outside the house to eliminate rats and prevent cats and dogs. Rats enter the pig house and it is strictly forbidden to set fireworks and firecrackers around the pig house. Feed processing and loading and unloading should be far away from the pig house. This can not only prevent noise stress, but also prevent cross infection of pig diseases. 3, increase the density of feeding density is conducive to raising the temperature inside the house. Normal winter can increase the number of pigs from 1/3 to 1/2. Because there are many pigs, there will be more heat and the temperature will be increased accordingly. 4. Feeding and feeding dry materials can prevent freezing of wet feeds during winter and allow pigs to feed freely to ensure that each pig can eat well. It is advisable to spread the dry material upwards in the pig trough or in the pig house, and feed it 3 times a day. It is advisable to leave a small amount of food in the trough. 5. Ventilation Regardless of the size of the pig house or the number of pigs, it is essential to keep the air in the house fresh and well ventilated. This problem is particularly important in high-density pig houses. Because the ventilation is not good, there will be a large number of harmful gases such as ammonia gas, carbon dioxide and hydrogen sulfide released at any time, and overflow in the entire pig house, affecting the normal growth and development of pigs and causing a variety of diseases. Therefore, the production should be ventilated between 11 am and 1 pm every day for about half an hour. An exhaust fan can also be provided on the wall of the pig house so that the dirty air inside the house can be rapidly discharged at any time. In winter, pay close attention to the ventilation system. Do not cause thieves to wind or reduce the temperature inside the house too low, causing diseases such as porcine arthritis, colds, and pneumonia. 6, adequate light and reasonable lighting can ensure the healthy growth of pigs, which is very important for breeding pigs. Because sufficient light is beneficial to the development of bones, it is particularly good for the prevention of breast milk suckling sows. 7, drinking water is very important for pig production, the consequences of water shortage is often more serious than the lack of material, water participates in the body's entire metabolic process, it regulates body temperature, nutrient operation, digestion, absorption and waste removal with other substances can not As an alternative, drinking water in winter is about 2 to 3 times that of pigs and about 10% of body weight. To provide enough clean drinking water for pigs, a water tank or automatic drinker can be set in the pig house, or warm water can be added in the trough after feeding. However, you should not use diluted feeds instead of drinking water. Because feeding a dilute feed will dilute the digestion of the digestive juice, weaken the chewing function, and reduce feed intake, affecting normal growth and development. 8, the temperature of the most suitable pig temperature is 8-20 °C, the temperature is too high too low are not conducive to pig growth and development. To maintain a proper temperature in the pig house, care should be taken to keep warm in the winter. The doors and windows of pig houses should be covered with grass curtains at night or in windy snow days. When conditions allow, the pighouse can be covered with plastic film, which will help increase the temperature of the house and increase the light. It can also use corn stalks outside the northern wall of the pig house. Wind barriers are built to wind the grasses, and the wind is kept cold. You can also add rice husks and sawdust to the top of the ceiling as a cold-proof layer. Dig deeper than half a meter above the ground, and pave the soft grass so that the pig can drill inside to keep warm.
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