Live pig breeding should be scientific

Shen Guoshun, a professor of preventive veterinary science at Shenyang Agricultural University, proposed that pig farming should be scientific. At present, traditional rural free-range farming methods still exist in large numbers. According to statistics, the number of live pigs in bulk accounts for more than 50% of the total amount, which restricts the development of China's hog industry to a certain extent. Recently, Shen Guoshun, a professor of preventive veterinary science at Shenyang Agricultural University, proposed on the basis of the investigation that the situation of rural households in raising their live pigs needs to be changed. It is necessary to improve scientific feeding and management. The existence of a large number of unscientific feeding and management methods has led farmers to raise pigs "only to increase production but not increase income." For example, in the nutrition of pigs, the feed is monotonous, and the traditional feeding habit of “a scoop and drowning in water” causes the deficiency of nutrients such as protein, vitamins, and minerals in the feed and affects the growth and development of pigs; it is relatively extensive in management. Some farmers are accustomed to free-range pigs and allow pigs to move freely around the pens. Most of the nutrient intake of pigs is converted into kinetic energy, which is used to reduce the weight gain. As a result, pigs have slow weight gain, long feeding periods, and economic benefits. reduce. It is necessary to guide farmers to grasp the basic knowledge of basic disease prevention and treatment. Some pig houses are usually not sterilized, and they are not sterilized even in the case of infectious diseases. Therefore, once an epidemic occurs, it will often cause the spread of the disease, which will inevitably bring serious economic losses. Most pig farmers lack the sense of isolation and prevention so that outsiders can enter the pig house. In particular, some pig traders often go to villages to spread households and spread diseases easily. In addition, pigs purchased from outside have not been observed for isolation and are directly mixed into pigs, which can easily cause infectious diseases. Emphasis should be placed on vaccination. Many major diseases often occur, often because farmers do not attach importance to vaccine immunization. At present, most pig farmers vaccinate their pigs only for conventional vaccines such as swine fever, erysipelas, pulmonary epidemic, and paratyphoid. Some even do not vaccinate at all. Even if inoculated, there are often problems such as insufficient doses of vaccines and unreasonable immunization procedures. In recent years, some new infectious diseases such as pseudorabies and PRRS have emerged. The majority of pig farmers have not been vaccinated. As a result, a large number of pigs died after the onset of the disease, causing severe economic losses to the pig farmers. The lesson is profound. of. Drug abuse must be eliminated. Some pig farmers do not go to a veterinarian to diagnose after a pig disease occurs, but use their own medicine. A drug ineffective and then another drug, both delay the treatment of the disease, but also increased the cost of raising pigs, resulting in undue economic losses. The abuse of drugs will not only prevent some diseases from being controlled in a timely and effective manner, but also affect the quality of pork and lose market competitiveness. Source: Farmers Daily

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