At present, raising pigs is still an important way for most farmers to earn income. The key to raising pigs to make money is to start from reality and choose the breed of pig that is suitable for their own breeding. Home free-range breeding is suitable for breeding local pigs. Native pigs in various parts of China are generally resistant to roughage, hunger-resistant, tolerant to harsh environments, suitable for local climate, good cold and heat resistance, and are not susceptible to disease. Rice bran, discarded meals, and wild herbs and wild grass grown in the wild can be used to feed live pigs. If you use these substances, and then put in some corn, bran, etc., the cost of raising pigs is still relatively low. If it is only scattered pigs, it is best not to keep lean pigs. Lean pigs can only rely on eating feeds rich in protein to grow lean meat, but also require that the feed has a complete range of amino acids, vitamins, and trace elements, and the quantity is adequate. The farmer's roughage cannot meet this standard, and rural free-range is not suitable. Feed lean pigs. Large-scale pigs must feed lean-type pigs, and lean-type pigs have a high growth rate and a high feed conversion rate. If fed with compound feed, lean-type pigs can grow at a daily growth rate of 0.75 kg at the fastest growth rate. If self-bred and self-supported, piglets can be slaughtered after 160 days of birth. The sale price is about 1 yuan higher than the local pig per kilogram. Large-scale swine breeding should not raise local native breeders. Because of the slow growth rate of local native breeder pigs, low feed conversion ratio, low selling price, and the long operating cycle of raising local farm pigs, the production profits are low and even loss. Special attention should be paid to the feeding of lean-type pigs. It is necessary to raise standard lean-type pigs, which are commonly referred to as "three-way crossbred pigs." Farmers need to import from the nationally recognized original breeding farms, and do not introduce "pure pigs" from the market.
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