I. Adherence to the breeding of hybrid pigs: Pigs produced with good boars such as Duroc, Hanshapu, Changbai and other local boars and local boar sows are called hybrid pigs. Its ability to live strong, rapid growth, good feeding effect. Therefore, large-scale finishing pigs should generally promote the breeding of boars, localization of sows, and hybridization of piglets. Second, adhere to feeding compound feed: According to the nutritional needs of pigs in different stages of growth, a variety of raw materials mixed together to feed the full price formula feed, not only nutritious, comprehensive and very little waste, material, meat, low prices . Third, the implementation of protective feeding. In the summer and autumn, pighouses such as gourds and sunflowers should be shaded and cooled, and in winter, plastic greenhouses should be used to raise new technologies and insecticide and immunization should be regularly performed. Fourth, change the shelf and fattening as a straight fattening: The traditional hanging shelf fattening is the pig's fattening period is divided into several stages, in accordance with the different stages of the side using refined roughage combined fertilizer. This method uses a single feed, nutrition is not comprehensive, can not meet the needs of pig growth, so pigs grow fast, and long feeding cycle, slaughter rate is low. For example, after checking the piglets after weaning to the fat pigs before slaughter, the straight-line fattening method that raises the nutritional level can effectively shorten the fattening period, increase the pile-out rate, and increase economic efficiency. Fifth, provide enough clean water. If there is water shortage, it will affect the pig's appetite, affect digestion and normal growth, thereby reducing the utilization of feed. Six, extensive use of supplementary feed: the use of brewers, chicken manure, rabbit excrement, after treatment, fed together with the mixed feed, the pig is very much eaten, but also willing to take advantage of the increase in weight gain, the slaughter is also early. Feeding pigs with supplementary feeds can reduce the cost of raising pigs by 1%-3%. VII. Self-bred and self-breeding: Self-cultivation of excellent husbandry and sows, adoption of self-breeding pigs, self-cultivation of cross-breed pigs, and self-fattening pigs, not to purchase piglets outside the market where pigs are unclear and have no end in mind is beneficial to epidemics. Improving the survival rate of piglets will also help reduce the cost of raising pigs. Eight, the implementation of high-density pigs. The 0.8 square metre pig house in winter should raise a fattening pig. Due to the intensiveness, the pig house is saved, the investment in fixed assets is reduced, you rush to grab him for high-density farming, eat, sleep, and gain weight because of the small activity area. Fast, shorten the feeding cycle and reduce the cost of feeding. Nine, to science and technology to benefit. Implement the “one-stop†fast pig raising method and implement the “five reformsâ€, namely: change the fat type pigs to lean type pigs such as Changbai, York, and Duroc; secondly, feed the single feed to the formula full price feeds; Raw materials for wet feeding; four to feed "longevity pigs" for the timely release of "March pigs", "April pigs", and reasonable feed additives, auxin; V change to disease to find a veterinarian, no disease early Prevention of epidemics, strict control of swine fever, swine erysipelas, swine plague, paratyphoid fever four infectious diseases, reduce mortality, increase survival rate, stable slaughter rate. Tenth, timely slaughter and slaughter: After over 90 kilograms of fattening pigs, the rate of daily weight gain is obviously slowed down, and fat deposition is the main factor, so the more unfavorable the feeding, the more fat will increase, and the market will not sell well; Although kilograms are slaughtered, although the utilization rate of feed is high, the rate of meat production due to low body weight is low, which is economically uneconomical. For finishing pigs, slaughter between 90 kg and 120 kg is most suitable. (Ding Shouguo, Ding Jinzhi)
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