At present, the main reasons for the low efficiency of raising pigs in rural areas, especially farmers, are as follows: The poor variety of pigs Many rural pig farmers are accustomed to raising pigs, which not only makes it easier to spread diseases, but also increases feed. Consumption, and the poor quality of pork raised, can not meet the needs of consumers seeking new and excellent, resulting in the growing poor efficiency of soil-raised pigs and breeding pigs. At present, raising one head of soil pigs is less than 100 yuan more than raising a "Dudaganda" three-yuan seed pig. Feed nutrition Single feed formulations are unreasonable or raw materials are missing, lacking the necessary protein or other nutrients, resulting in low feed returns and high feed-to-meat ratios. Feeding pigs with mixed feeds has a feed-to-meat ratio of 2.8:1-3:1. Feeding pigs with a single corn or rice will consume 6-7 kg of corn or rice per kg of weight gain. Inappropriate feeding methods Many pig farmers are unscientific in terms of the time, number, quantity, and order of feeding. In the feeding time is a meal early, late meal; in the number of feeding is more than a day, one day less; in the amount of feed is hungry, full meal; in the order of feeding is not Crude after the first fine, thin first and then thick. These drawbacks can cause disturbances in the digestive system of pigs, affecting their absorption and utilization of feed. The pig house is too simple. Many pig farmers use the four sides (kitchen side, toilet side, pit side, eaves side) to build pigs. The layout is extremely unreasonable and the structure of the barn is not scientific. Some pig houses are dark and damp, with poor lighting and ventilation conditions; some pig houses are cold in winter and hot in summer, hot in the wind and not covered in the sun, and cold in the sun is not suitable for the wind; some pig houses have long-term accumulated water in the piggery and the pigs are in the ring. It is equivalent to sitting in a dungeon and stinking, which affects the healthy growth of pigs. Pigs accustomed to stocking and rearing not only grow slowly but are not easy to grow, but they are also susceptible to infectious diseases, parasitic diseases and toxic diseases. Some pig farmers who do not pay attention to epidemic prevention are lucky enough to hold pigs. They don’t even inoculate vaccines for several infectious diseases and are reluctant to spend money on disease prevention. As everyone knows, although some chronic diseases can not cause the death of pigs, it will affect the pig's absorption and utilization of feed and inhibit its growth and development. Ignoring the fact that insect-repellent pigs often come in contact with the ground and feeding green feed or raw feed, it is very easy for pigs to become infected with parasitic diseases such as aphids. Light pigs cause poor growth of pigs, obstructed growth, or the formation of stiff pigs. The rate of weight gain is 30% lower than that of normal pigs, and severe cases cause pig deaths. It is uneconomical for pigs to raise too much pigs to raise more than 100 kilograms. The development of pigs is characterized by rapid growth in the early stages, decreased weight gain after peak periods, and then slow growth or even stagnation. When finishing pigs weigh more than 100 kg, they should be slaughtered in time.
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