This technology, with the plastic film greenhouse as the core and the "four good and four changes" as the main content, the main points are:
1. Crossbreeding improves the breeding of lean-type hybrid pigs. Landraces such as Landrace, Dabai, Hanpaxia, Duroc, etc., and local black sows or Songliao black sows can be selected for crossbreeding. It is ideal for lean, lean, and cross-breed pigs, such as the breeder X, Benxi, X, X, Matsumoto, X, Y, Y, and Y. Its fattening growth and development, feed remuneration, carcass lean lean rate.
2. Implement feeding standards and promote full-price beverages. In combination with feeding practices, according to the nutritional needs of pigs of different breeds and stages of growth, reasonable feeding standards should be selected and appropriate compound feeds should be used. Concentrates and premixes can also be used to formulate full-priced cocktails. Conditional, but also according to local conditions, according to scientific feed formula, self-prepared full-price beverages.
3. Promote straight fattening method. Use wet ingredients to drink water. 60 kilograms are free to feed, 60 kilograms are fed to the slaughter, and the pig food and feed are gradually reduced without any sudden changes.
4. Build a standard pig house. Shorter slopes and longer slopes in the pig house are best for herringbone warm-shed pig houses. Its standard: positive, east slope 5, brick and tile structure, front wall height 1.7 meters, pork porch with front window, ventilation window: room width 5 meters, the length of the room according to feeding scale: the room type is the front slope short The length of the back slope is long and the height is calculated from the ground to be 2.7 meters. The upper slope of the front slope is provided with a vent and a rain-proof shade of 0.4 meters. The front slope is 30-40. Pergola.
The room is concrete floor, oblique to the urination ditch 15, urination communication to the outside of the storage tank, according to pigs per area of ​​pigs 1.0 square meters, every time back to -10 off the pig bar setting bar height 0.8 Meter.
In order to increase the insulation effect of the pig house, the wall thickness of the pig house can be increased from 24 cm to 37 100 m: the rear slope of the pig house is added to 37 cm. The rear slope of the pig house is added with a cold layer: the cement floor is laid down 40 cm thick Furnace ash.
5. Do a good job of preventing and killing disease. To strengthen the immune test, according to the scientific immunization program, the pigs should be given preventive injections and Deworming regularly. And to carry out the epidemic detection, to prevent the spread of the epidemic. Always keep the inside clean. After the fattening pigs are slaughtered, do the caustic soda water to be disinfected and empty the pen for 1 week before entering the new pigs.
6. Choose the best slack period. The optimal slaughter period for lean-finishing pigs is not as good as 115-120 kg. This can increase the lean body fat rate, get higher economic benefits, and ensure that two pigs are slaughtered in one year.
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