In the production of sheep, various diseases often occur, which can be generally classified into infectious diseases, parasitic diseases, common diseases and toxic diseases, and seriously threaten the health of the flock. Infectious diseases and parasitic diseases, due to their strong transmission and high population rate, are particularly harmful to the production of sheep. Therefore, it is necessary to do a good job of sanitation and epidemic prevention. 1. Strengthen feeding and management, improve feeding conditions Scientific feeding, careful management, improve production performance, increase the body's constitution is the basis for the prevention of disease. "Sheep is lean and sick," "sickness is caused by emaciated emaciated diseases, and frail and ill-healthy." These two idioms are illustrative of the relationship between strengthening the condition of the sheep and enhancing the condition of the sheep. In the actual production, feeding and management shall be strictly carried out according to the nutritional needs and feeding system of the sheep at different physiological stages. The type of feed shall strive to diversify and be reasonably modulated and matched so that it is rich in nutrients and comprehensive. At the same time, it attaches importance to the hygiene of feed and drinking water, does not feed grasses that have become moldy, frozen and contaminated with pesticides, and does not drink dead water or sewage. 2. Do a good job in the cleanliness of the ranch house. Doing a good job in sanitation can increase the body's resistance, eliminate the spread of various pathogenic micro-organisms in the external environment, and reduce the body's infection. This is the key to epidemic prevention. To keep pastures clean, eliminate rodent pests and animal pests and eradicate poisonous weeds, do not grazing under low moisture. Keep sheep homes and playgrounds clean and dry, regularly clean and regularly disinfect, pay attention to the timely removal and accumulation of feces and dirt, and seal fermentation to kill feces and pathogens, parasites, or eggs. In the spring and autumn seasons, sheep houses, utensils and playgrounds are thoroughly disinfected once a year. When a certain epidemic is endemic, assault sterilizing is required to kill pathogens, such as flame torch or fire alkali for extermination. 3. Regular preventive injections and anthelmintic baths Regular preventive injections and anthelmintic baths are two of the most important aspects of the annual sheep epidemic prevention work and are necessary measures to prevent the occurrence of infectious diseases and parasitic diseases. In order to effectively control the occurrence and spread of communicable diseases, prevention injections should be conducted based on the epidemic characteristics of the local flock. It is usually done in spring or autumn. The commonly used vaccines are: 1 triple vaccine: used for the prevention of sheep lice, sheep epidemic and sheep enterotoxemia. Subcutaneous injection, 3 ml of lamb within 6 months of age, 5 ml over 6 months of age, immunization period of 6-8 months. 2 Brucella broiler sheep type 5 attenuated viable vaccine: used to prevent brucellosis. Each sheep was subcutaneously or intramuscularly injected with 1 ml and the immunization period was 1 year. No. 4 anthrax spores: used to prevent anthrax. Each sheep was injected subcutaneously with 1/3 ml and the immunization period was 1 year. Tetanus Alum Dropout: Used to prevent tetanus. One-third of subcutaneous injections were made on the neck of each sheep. The immunization period was 1 year. In selenium-deficient areas, sodium selenite should be injected to prevent white muscle disease around the sixth day after birth. Sheep that are threatened by communicable diseases should only be given an emergency injection. Sheep's parasites are more common and the damage is very serious. Frailty and weight loss suffer from sheep fat, growth retardation, fecundity and production performance decline, severe cases can cause a large number of deaths. Therefore, special attention should be paid to the work of the area insecticide bath. Deworming can be carried out once each year in spring and autumn. Medicinal baths are generally performed about one week after shearing. Through the internal drive, external bath, you can better control the occurrence of parasitic diseases. China Agricultural Network Editor
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