How special wild boar purification and rejuvenation

Special wild boar is a new breed that has been domesticated and improved. It has high reproduction rate, easy management, and strong disease resistance. It is suitable for farmhouse breeding and large-scale farming. However, some farmers do not know how to purify and rejuvenate, resulting in degeneration of the variety and a low lean meat rate, which affects the breeding efficiency.

General farmers use the following methods for the purification and rejuvenation of wild boars. First, a generation of hybrid male and female pigs with 50% of wild boar ancestry are introduced. After breeding, they are mated (45-50 kg body weight) and the piglets are born after 114 days of pregnancy. Its pedigree is still 50%, which is called expansion. According to this breeding, as far as possible to avoid inbreeding mating, because the mother of the hybrid generation wild boar is a domestic pig, from the biological point of view, it is inevitable to return to the ancestral phenomenon, long expansion time, wild boar genes (blood) is also not Avoid it by reducing it. Take the following measures to avoid degradation and increase the purity of special wild boars.

1. Introduce 50% wild boar gilts or young boars, use 75% boar-ducked pigs or young boars, breed in the second estrus of the mating age sows, the pigs born can reach the boar pedigree 62.5%.

2. Breed pure wild boars and a generation of hybrid sows for breeding breeding, the production of wild boar pedigree accounted for 75% of the special wild boar. Breeding purebred wild boar should start from small wild boar. Normal wild boar weighing 5-25 kilograms are generally selected for domestication and rearing. Otherwise, the body weight is too large, the wild nature is difficult to change, the breeder cannot access it, and the breeding operation is not convenient.

3. Breeding breeder wild boar and wild boar bred 62.5% of special wild boar so as to produce special wild boar with 81.5% wild boar pedigree.

4. Breeding of pure boar wild boar and wild boar that account for 75% of wild boar bred to breed 87.5% of wild boar genus.

Through the above four methods, to purify and rejuvenate the piglets produced, and then to mate horizontally, it is possible to mass-produce a very desirable special wild boar population, which will greatly improve the quality and purity of the special wild boar, and prevent degradation.

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