1. Choosing good piglets Feeding pigs should use two or three hybrid pigs. Because the daily gain of pigs fed the hybrids can be increased by 20% to 30% compared with purebred pigs, 30% to 40% of the feed is saved, and the incidence is reduced by 60% to 80%. Should choose to grow tall and tall, tail short and thick, light smooth hair, eyes, lively, healthy and disease-free individual feeding. 2. Appropriate environment In order to overcome the unfavorable factors of “full-year pig raising for half a year†and meet the requirements of “full-year pig rearingâ€, it is necessary to ensure that the pigsty is cool in winter and cool in summer. Use plastic greenhouse pens; or use solar energy to raise pigs and heat up the grass to reduce the energy consumption of the pigs; in the summer there should be a variety of trees in the field, outside the south wall of the pig sty, grapes or creeping melons (loof gourd) , pumpkin, hanging gourd, etc.) to adjust the microclimate in the field. 3. Castrated in time, regular insecticides used as fattening male and female piglets should be timely castration before finishing. The daily gain of pigs after castration can be increased by 10%, shorten the fattening period of about 20 days, and save feed 15%. During the entire feeding period, deworming, gastric lavage, and stomach-building are carried out so that the pigs will have a strong appetite and grow fast. The daily weight gain can be increased by 20% to 30%, and the feed can be saved by more than 10%. The insects can be repelled twice in production, the first time in the 20th to 30th days after weaning, and the second time before fattening. Method is: 1 flooding Ling: calculated per kilogram body weight 0.1 grams; 2 albendazole: 10 to 20 mg per kilogram of body weight. Internally. During deworming, the manure in the circle must be promptly cleaned and accumulated. 4. Reasonably adjust the dietary feeding compound materials, fine, coarse and green feeds are fed in proportions in stages: 50 to 60 kg of body weight before, mainly high-energy, high-protein concentrates, with necessary feed additives; 50 to 60 kg to the slaughter, the energy and protein levels in the concentrate should be properly reduced, the amount of concentrate input should be appropriately reduced, and the proportion of green roughage should be increased. Additive formula: 0.1 g of cobalt chloride, 0.15 g of ferrous sulfate, 0.05 g of potassium iodide, 0.2 g of copper sulfate, 0.2 g of zinc sulfate, 0.15 g of magnesium sulfate, 0.5 g of lysine, 0.5 g of multidimensional pigment, and finally calcium carbonate 100 Grams. Usage: Pigs weighing more than 50 kilograms are fed 10 grams a day, and 5 to 20 kilograms of small shelf pigs are fed 6 to 8 grams a day. Continuous feeding for 25 days was stopped for 5 days and continued feeding. 5. Science feeding In production, raw thick material can be used to feed, that is, change to mature feed for health, change thin feed to thick feed. The careful management of commercial pigs should be done in two phases (timing, quantitative feeding), Sanqin (deep cleaning, ground washers, diligent rotation), and four look (looking at food, seeing excrement, seeing spirit, seeing coat color), Five net (slot net, material net, water net, net net, bucket net). One-time use of swine fever, swine erysipelas, and swine pneumococcal triple vaccine injections during the finishing phase results in fewer pigs, fewer deaths, and 20% less feed. After 90 kg of hog weight (110 to 120 days in production), the weight gain rate began to slow down, and feed compensation began to decline. At this time, slaughter and sale were the most effective.
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