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The adverse factors and management characteristics of spring pig raising
First, the adverse factors of spring pigs 1, weather changes repeatedly, when the temperature is high, the temperature difference between day and night is relatively large. 2, with the gradual rise in temperature, a variety of pathogens breed. 3. The body resistance of pigs generally declined during the winter. 4. In early spring, there are many farmers who introduced breeding seedlings and supplemented the bar. It is very easy to introduce wolves into the room. Second, to solve the problem of good ventilation and insulation Insulation is still a top priority, the temperature is changeable, plus cool air and rainy winds to visit, we must focus on the following insulation details: (1) meet the cooling or rainy windy weather, to quickly Warm up and add grass to the pig house. (2) To achieve "Chunchun Qiuhan", straw, plastic film, stoves and other thermal insulation facilities can not be achieved too soon. Always hang curtains and check the loopholes to prevent the intrusion of thieves. (3) Pay close attention to the insulation condition of piglets in the delivery room and nursery pigs, especially the effective temperature of the abdomen. (4) There is a large temperature difference between day and night in the north, and it is necessary to adhere to the night patrol system and regulate the temperature of the housing at any time according to the status of the pigs. Solve the contradiction between heat preservation and ventilation: (1) Ventilation openings should be set at one meter away from the ground in enclosed pig houses, and excreta and ventilation should be conducted at a high temperature of 1-3 pm every day; (2) Greenhouse pigs Shelter roof vents should be covered with straw at night; Third, must be thoroughly disinfected inside and outside the pig house 1. Thoroughly remove the weeds and silt around the pigsty ditch, defect ditch to prevent the breeding of pathogens and mosquitoes. 2. Disinfection tanks should be set up at the entrance of the pig farm. Disinfection basins should be placed at the entrance of each pig house. Add 2 to 3% of fire lye or 3 to 5% of Surwater. Entry and exit personnel must be sterilized. Disinfectant is added every 2 to 3 days. 3. Thoroughly clean the door, window, ceiling, wall, pig bar and other health corners inside and outside the pig house, then spray with 2 to 3% of fire alkali solution. 4. Thoroughly clean the feed troughs, trays, and incubators of the pigs, and then use 3 to 5 to sterilize the liquids. Rinse with water and dry them. 5. Foreign personnel and vehicles are prohibited from entering the farm. In particular, live pigs and dead pigs acquire personnel and vehicles; 6. The breeder should wear special shoes and clothing and be strictly sterilized before entering the pig house. 7. Pighouses and pig herds promote the use of 1:500 to 1000 concentrations of peroxyacetic acid for steam sterilization. , Can also reduce the concentration of harmful gases; Fourth, must be to the pigs to deworming 1, to choose ivermectin plus fenofol oxime oxime broad-spectrum efficient anthelmintic drugs. 2. When the insects are repelled in the pigs, the insects and the ground must be promptly sprayed with insecticides to avoid secondary infection by the parasites. 3, to do a worm worm disease alone. Fifth, it is necessary to strengthen nutrition and improve the resistance of herds. 1. Feed the pigs with nutritious and comprehensive feed. At present, the price of pigs is low, and some manufacturers produce and sell low-quality and low-priced feeds in order to cater to the appetites of pig farmers. These products must not be used cheaply. Otherwise, the pigs will suffer from malnutrition, poor growth and easy onset. 2. Pig farmers using self-ingredients must ensure the quality of their raw materials, especially if they do not use excessive water content and moldy corn. It is recommended that corn be sieved prior to use to remove impurities. 3, do not arbitrarily change the low-quality raw materials because of the low pork price or not according to formula. 4. The gradual warming of spring temperatures and damp weather are all seasons of mycotoxin growth. We must pay attention to the "three defenses" of feed: prevent rain, moisture and mildew, and control the mycotoxin hazards from various sources. 5, lack of green feed in early spring, promote the amount of sows to match the green and juicy feed, such as cabbage leaves, carrots and so on. 6. Appropriate amount of Chinese herbal medicine and living seasonings are added to the feed to help righteousness and eliminate evils. It is not only beneficial to growth, but also can prevent and cure diseases. Such as honeysuckle, ginger, green onions, garlic, vinegar and so on. 7, in the feed regularly add micro-ecological products such as probiotics, yeast polysaccharides and other conditioning gastrointestinal tract, improve gastrointestinal function, prevention and treatment of various diarrheal diseases.