In the rural pig production, the breeders often fall into the wrong zone due to lack of scientific knowledge of feeding management and epidemic prevention, which is a problem worth noting. 1. Inbreeding. Some pig farmers use their nest pigs for breeding and parent-child reproduction. This kind of inbreeding violates the principle of pig breeding, making pigs more and more degenerate, affecting the quality and economic efficiency of pigs. 2. Piglets are weaned prematurely or late. Premature weaning can cause piglets to grow stagnant and form stiff pigs. Late weaning can result in longer reproductive cycles and fewer farrowing litters. General piglet weaning time is suitable for 45--50 days old. 3. Improper feeding. The feeding time is not fixed and the feeding amount is unequal or large. Excessive feed on shelf pigs causes premature fat deposition and affects bone growth. Therefore, it is appropriate to reduce the amount of concentrate and increase the feed with higher protein and vitamin content. 4. Suddenly change the feed. This causes the pig to have a stress response, causing the pig's appetite to subside for a period of time and affecting growth. 5. Do not pay attention to environmental health improvements. Some pig farmers have poor pigs' hygiene and feeding conditions. They do not clean up their waste for a long period of time. In winter, the pig houses are not protected from the cold. This will not only cause the pig's physical decline, but also easily spread the disease. 6. Mixed group feeding. Mixing pigs regardless of size, use, and breed is not only unfavorable to the use of feed and pens, but also results in pigs being bullied, biting each other and causing death and injury. 7. Do not pay attention to epidemics. In a large number of breeders, there are pigs who are not sick and do not take injections. Once a disease occurs, they would not hesitate to spend a lot of money on the veterinarian or buy medicine, resulting in increased expenses, which is not worth the candle. Even the phenomenon of spending money to cure bad illnesses. China Agricultural Network Editor
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