The technical basis for pig production is pig breed technology, which is also known as pig production technology. The conventional pig production technology generally refers to the production of pure breed pigs and the production of hybrid pigs; the modern breeder pigs involve transgenic breeding pigs and breeding pigs. However, with the development of swine production, the restriction of swine diseases on breeding pigs has become increasingly evident. Breeding pigs that produce excellent performance are often eliminated for health reasons, and pigs with excellent production performance are often updated for health reasons. Breeders and pig breeders have had to revisit pig breeding and breeding methods and production techniques.
All-in-all herd turnover systems, multi-point production techniques, and ultra-early weaning techniques were proposed as means of controlling diseases in production techniques, but they also attracted the attention of breeding workers. Pig breeding does not discuss technical methods such as systematic breeding, ultrasonic backfat determination, selection index and biochemical breeding. The above-mentioned “all-in, all-out production, super early weaning, and SPF pig production†have also become important topics for discussion. The concept of excellent pig production performance should also undergo a major revision. It must be changed from including excellent reproductive performance, fast growth rate, high lean meat percentage, and strong adaptability to include excellent reproductive performance, rapid growth, and high lean meat percentage. Adaptability and good health characteristics. Breeding of pigs is no longer simply breeding, but should be raised to the perspective of healthy breeding. Breeders establish a basic model of pig breeding, and breeders need to develop in actual breeding practices.
Pig health breeding should include the following technical aspects:
1. Sows produced at place A. The piglets are raised by massaging at a point B at a certain distance or at a time when the disease is good, or transferred to site B for breeding through SPF techniques to obtain artificially nurtured piglets.
2. The eligible pigs selected from the B site are again transferred to the C site at a certain distance for measurement.
3. According to the results of breeding values ​​obtained from the C site according to the BLUP method, a comprehensive selection index was developed and excellent breeding pigs were selected to participate in breeding pig production at the A1 site.
4, repeat the above process, the location changes.
Requirements: All locations must be within a certain distance; all locations are in good health; all transfer processes must be of high quality to ensure that the control of swine disease has not occurred.
The goal of healthy breeding is to obtain "green" breeding pigs of high quality, high performance, and high health levels.
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