Pig diseases can be generally divided into infectious diseases, parasitic diseases, common diseases (including internal diseases, surgical diseases and obstetric diseases), nutritional metabolic diseases and poisoning diseases. These swine diseases are caused by infection with pathogenic microorganisms (bacteria, viruses, mycoplasma, etc.) and parasites in and out of the body, or by feeding methods and improper management.
Disease is one of the important factors that restrict the development of the pig industry. Pig disease control must start from all aspects of pig production and make all-round efforts. Only in the choice of disease-resistant varieties, feed preparation, pig house construction and environmental control, health and epidemic prevention, etc., feasible measures are taken to firmly establish the guiding ideology of "prevention first" and "anti-heavier governance", in order to gradually control and eliminate There are already diseases on the field to prevent new diseases. If the focus of disease prevention and control is not on the prevention of group disease, but on the treatment of individual sick animals, it will inevitably lead to more and more sick pigs, and work is passive.
It is best to adopt the feeding management method of “self-supporting and self-supporting†and “all in and outâ€.
From the perspective of epidemic prevention, it is best to raise pigs and sows on pig farms or pig farmers, and breed piglets for fattening. This will prevent pigs from being imported into infectious diseases. In addition, the physique, variety characteristics and pre-growth and development status of the piglets that they breed are also well understood, which is convenient for future feeding management and epidemic prevention.
Large-scale pig farms (households) should adopt the “all-in, all-out†feeding management method. It is necessary to adjust the breeding date of the breeding sows or to make the estrus in the same period, concentrate the breeding and concentrate the litter; the piglets are concentrated into the breeding pig house or the fattening pig house after weaning, and at the same time. Then clean and thoroughly disinfect the pig house, and then accept the new pigs; the epidemic prevention work should also be carried out simultaneously. If a pig in a pig house is sick or dead, it should be fattened or eliminated in the whole group. After thorough disinfection, the pigs should be in the empty circle for more than half a month and then do not sprinkle the mixed group.
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