High temperatures and high humidity in the summer and autumn seasons often cause great losses to the pig industry. The sow herd is the core of a farm, which determines the breeding level and economic efficiency of the farm. Therefore, scientific and technological measures should be taken for sow feeding and management in summer and autumn. Create a comfortable environment Avoid direct sunlight. In hot summer weather, we must add materials such as straw curtains with good heat insulation properties on the roof to block the heat radiation from the sun and keep the pig houses cool in winter and cool in summer. In particular, in hot and humid weather with small air volume, pregnant sows should be rushed to the sports ground under the shade to dissipate heat. Without large trees, the canopy with good heat insulation performance can reduce the radiant heat by 40%. Plant shade plants. Planting flowers and trees before and after the farms can shade and reduce radiation, cover the ground and maintain moisture, and create a relatively cool microclimate environment, making pregnant sows as comfortable as possible. Pig house hygiene and ventilation. In the piggery, excrement should be removed from the room and be ventilated and ventilated. This can not only eliminate pollution, keep the pig house clean, but also clean the air and effectively reduce the temperature, so as to avoid fermentation heat and increase the temperature. Strengthening sow management and miscarriage Do not change the breeder carelessly. Let the pigs have a sense of closeness and safety. Do not change the feeding time and feeding habits. Even if you want to change, there must be a gradual adaptation process. Do not rush. Minimize noise and maintain a quiet environment. Do not give pregnant sows any extra stimulation other than high temperatures. In addition, pregnant sows can not be a big Bang Bang, single-loop, single-tube, single-feed, to prevent pigs from biting each other to cause the incidence or miscarriage. Prevention of sow constipation Feed ingredients. Can not one-sided increase the proportion of bran in the feed, even reached 30% to 40%. One-sided increase of wheat bran consumption will reduce the sow's energy intake. In the summer, it will increase the sow's heat stress. In severe cases, it will not produce estrus after production. Adding some green feed to sows, especially in hot summer season, many green pastures are now planted around many pastures. This not only makes it convenient for sows to eat, but also can adjust the gastrointestinal tract environment, enhance feed compatibility, and improve sow constipation and other issues. . Drug selection. The use of some premix products without constipation drug additives for sows, which has a better effect on alleviating constipation in sows. Rational use of antibiotics, and can add some Chinese herbs, such as honeysuckle, Houttuynia, Motherwort and so on. Hot sows can be properly added baking soda and vitamin C or carotene, etc., and regularly add some drugs that help regulate the gastrointestinal function of sows and probiotics, such as yeast polysaccharides, probiotics and so on. Strengthen sow movement. Additional sow sports grounds to strengthen sow movements and provide clean and cool drinking water. Sow postpartum disease prevention Nutrient supply. Appropriately increase the nutrient concentrations of blood glucose, blood calcium, and potassium in feeds, such as the additive of glucose and calcium and potassium supplements in feed water. Delivery room environment control. The temperature and humidity control of the delivery room mainly guarantees that the temperature of the delivery room is between 18°C ​​and 22°C, such as cooling of the roof spray, cooling of the interior water curtain, installation of fans and so on. Preparation for delivery. First, prepare the delivery tools, such as sack sheets, towels, scissors, disinfectant, iodine, cotton wool, etc., and perform various disinfection tasks during the delivery process. Conditional farms can choose to infuse fluids during calving and supplement energy to prevent secondary infections. They are kept on the day of littering. On the day of calving, try to feed as little or as little as possible. You can feed brown bran brown sugar, add Shuanghuanglian oral liquid or ginger green onion decoction in water.
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