Ecological habits
The special wild boar basically keeps the appearance of the wild boar. It has a lively and lively character, agile action, long mouth and small ears. The piglets have brownish and yellow vertical stripes on the whole body. After 3 months of age, the stripe recedes and the whole body is yellow-brown or beige. . Sows are sexually mature between 6 and 7 months of age, weigh 50-60 kilograms during the first estrus, and have about 114 days of gestation. They have an annual output of two babies, with 8 to 12 litters per litter. The special wild boar has wide adaptability, strong disease resistance, resistance to crude feeding, eating weeds and green feed, and has a small appetite. It is only about 50% of domestic pigs, and has high feed utilization rate. The same volume is about 10% more than domestic pigs. The special boar sheds for the building of the pens should be selected in places with higher grounds, which are easy to drain and are convenient for daylighting and ventilation. The original home pig houses can also be reared for minor modifications. The sheds require nesting and nesting facilities. Liwo provides wild boars for sleeping and calving. It is about 3 meters long and 2.8 meters wide. Outside nest room for pig movement, sun exposure and diet, the area should be 1-1.5 times that of Li Wo room, the ground is paved with cement mortar, a slight slope, in order to facilitate urination and irrigation. The height of the fence is 1.7-1.8 meters, and a channel is built at 1.2 meters from the outer nest so that the estrus sow can be placed in the boar. Feeding and Feeding Special wild boars are omnivorous animals, eat raw foods, grass, vegetables, tender corn, wax gourds, potatoes, sweet potatoes, peanut pods, pumpkins, etc. are all feeds that they like to eat. In addition to green feed, artificial breeding should be based on different periods of preparation of feed, the main ingredients are corn, bran, cakes, fish meal, bone meal, salt, mineral additives, etc., green feed can account for 30-50% of the ration, adult Pigs are fed 2 times a day, and wild boars have the habit of eating at night. Therefore, the late feeding should account for 60-70% of the whole day's diet. The weaned piglets are fed 4-5 times a day and can be reduced to 3-4 times later.
Feed formulation for special wild boar at different growth stages (%): Feed formula for special wild boar piglets: corn 67, bran 5, soybean meal 20, fish meal 4, bone meal 1, salt 0.3, yeast 2, additive 0.5. Pig formula: corn 60, bran 20, soybean meal 15, fish meal 3, bone meal 1, shell powder 1, salt 0.5, additive 0.5. Pregnant sows formula: corn 65, bran 25, soybean meal 8, bone meal 1, salt 0.5, additive 0.5. Formulas for lactation: corn 62, bran 15, cardamom 15, fish meal 4, shell powder 1, bone meal 2, table salt 0.3, additive 0.5.
Management of boars and breeding sows
The production of boars is characterized by the provision of high-quality semen. It is often said that “boars are good, good-to-poise, sows are good, and there is a good nestâ€. Kinds of pig pens should be kept clean and moderately sporty. Can not be fed fat or too thin, in order to ensure that the boar has a strong physical fitness and strong sexual desire, special wild boar breeding, can only take this method, can not engage in artificial insemination, artificial extraction is very difficult. The sows are mainly bred during pregnancy, lactation and weaning. The sows should be kept quiet and avoid sudden shocks during pregnancy and labor. The sow is thoroughly rinsed and cleaned on the day before delivery, then disinfected with 100 toxin disinfectant, sprayed, and then spread some dry straw in the pig house. Nursing sows should be fed full-fledged feed to increase milk production.
Anti-epidemic procedures
After 20 days of age, the piglets were intramuscularly injected with one dose of swine fever attenuated vaccine. At the age of 60 days, the pigs were triple injected with pig disease. The paratyphoid vaccine was fed at 30-40 days and the pigs were intramuscularly injected once every six months. Triple vaccines are injected every year in the spring and autumn seasons, and sows are vaccinated with “parvovirus†vaccines 5 to 6 months prior to breeding.
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