The wild boar aquaculture has received more and more attention in recent years. The wild boar has strong disease resistance, high lean meat ratio, good meat quality, lower breeding cost, better efficiency, and broad prospects for development. It is even better than domestic pigs. Due to the tight market, the price has soared. The current market price for wild boar has risen from 30 yuan per kilogram in 2005 to more than 40 yuan, and Shanghai and other places have reached a high price of 56 yuan per kilogram.
Reasonable construction
Wild boar farms are best located in high ground areas for drainage. The height of the original house pigs and the slightest modification can also be cultivated. The newly-built wild boar shed is generally composed of an inner nest room and a sports ground. The cement floor is required to have sufficient lighting and ventilation. Inside the nest room for wild boar sleeping, feeding, about 3 meters long, about 2.5 meters wide, sheds plus sheds, built a general pig house style, built a high and low two automatic drinking water device for pigs and pigs drinking water, Cover the roof. The stadium is not covered by roofs for wild boar defecation, exercise and sun exposure. A row of manure ditch is set by the wall and the wall is plastered with concrete. The building height is 1.7 to 1.8 meters. A piglet supplement feeding room should be added to the boar sow room. A 1 meter wide passage is reserved between the inner chamber and the sports ground to facilitate the free access of wild boars. The gates are generally left in front of the nest room.
Scientific selection
According to the different hybridization methods, the special wild boar has 100%, 75%, 50%, 25% and other different purity of pure boar wild boar. According to feeding conditions and market feedback, special 75% purity should be selected when breeding. Wild boar is the best. If the purity is higher, the production speed is very slow, the number of litters is small, and it is difficult to raise. The special boars with lower purity, such as 50% and 25%, are shape, disease resistance, resistance to roughage, and thinness. Meat, nutrients and other aspects of the same with the domestic pig, there is no value for feeding. At the same time, due to the different methods of hybridization and breeding, the same 75% of the special wild boars, the pig disease resistance, the number of litters, etc. also vary greatly, the general special boar fetuses usually have 6 to 8 pigs. The number of high-yielding special boar fetuses selected for breeding is generally between 12 and 14 heads, with a maximum of 17 heads, which is 2.5 times that of wild boars. The same is true for wild boars, and the benefits may be several times worse. Farmers must pay attention to seed selection, in particular, be wary of many unscrupulous field homes.
Breeding technology
Boars are suitable for mating from 5 months to 6 months of age and weighing 40 kg to 60 kg. In the case of estrus in female wild boars, the principle of using early-born sows with early and sows with late parity is generally adopted. When wild boar estrus occurs, the external genitalia is markedly red and swollen. When the external genitalia changes from red to dark purple, from swollen to slightly shriveled, or the sow's buttocks are held by hand, the best breeding time is when the sow stands still. When mating, male and female wild boar breeding time takes about 10 minutes to 20 minutes. According to feeding experience, it is best to take compounding method, that is, repeat the mating once every 6 hours to 8 hours. This can significantly increase the conception rate of sows. At the time of breeding, the wild sows are usually used in the public barn. This is because the male wild boar does not need to be familiar with the new environment, and it is easier to breed faster and more successfully. After confirming the successful mating, the female wild boar is rushed back to its pig house. After 20 days, whether or not the wild boar is still oestrus is observed. Generally, the estrous cycle of the female wild boar is 16 days to 18 days. If estrus is not detected, the boar has been successfully mated.
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