first, the popular features
the disease has a rapid onset and longer duration, the rapid spread of the disease, the treatment effect is not obvious, high mortality rate characteristics. high in summer and autumn. once the disease is often in pigs in the short term group and adjacent farms, causing widespread poverty, mainly concentrated in feeding and small and medium sized farms (households) for immunization programs and drugs, health facilities is not reasonable, and single species feed farms (households) is particularly serious.
2, the main symptoms
swine major diseases: lack of energy, loss of appetite or waste, fever (40 -42 c). conjunctival redness, congestion, quantity of more viscous, purulent discharge.
dry mouth, dry stool, constipation, first of all, bleeding and purulent back. short red urine, urine color is brown or soy sauce samples. redness or bleeding of the skin. common areas of the ear, neck, limbs, abdomen, and perineum. breathing, coughing, weight loss, anemia, weakness of limbs, shortness of breath, neurological symptoms, some pigs. sows suffer infertility, miscarriage, stillbirth, low birth, and mummies. piglets, growing pigs, diseases, mortality, etc..
three, pathological changes
necropsy of dead pigs, lesion diversity, massive yellow fluid in the chest and abdomen, and fibrin exudation; serous fibrinous pleurisy showed multiple and peritonitis. pulmonary edema, mottled, marble like lesions, interstitial pneumonia were obvious. a noticeable enlargement of the lymph nodes. partial enlargement of the kidneys, brown or tan, cortical hemorrhages, spots, and delicate texture. liver splenomegaly, crisp. gastrointestinal lesions, cellulose, necrotizing enterocolitis. a single layer of stratified oral ulcers can be seen by the application of separate intestinal lymph follicles, swelling, swelling, hindgut, and cecum. the mucous membranes of the bladder, larynx, and many hemorrhages with dark red urine in the bladder.
fourth, prevention
prevention of the disease should be carried out "prevention, governance, prevention and treatment at the same time, anti stressed, healthy pig" principle.
in science, the reasonable development of the vaccination program, also good sanitation and disinfection, disinfection sterilization agent at least 2 times a week, can choose junduging kill bacteria, toxic iodine power, the best alternative use. strengthen feeding management, high-quality full price feed, feeding pigs to drink clean water, summer, autumn, high temperature, high humidity and summer cooling season, do a good job of eliminating mosquitoes. in some farms, black polyethylene nets were used to seal the whole pig, regardless of temperature during the summer and prevention of mosquitoes, and entered a good effect on the occurrence of disease and control flies.
5, treatment
when outbreaks occur, it is necessary that prevention is early, accurate diagnosis, symptomatic treatment.
1. preventing infection and promoting rehabilitation of sick pigs
(1) chuang xin amoxicillin
(2) zhi yuanjing
(3) highly purified toxins
(4) fresh basil leaves
the above 4 drugs were used according to the instructions. they were mixed into the feed and kept for 5-15 days. in case of emergency, the swine fever and swine fever vaccine should be inoculated, and the vaccine must be purchased by a qualified formal veterinary drug store to prevent the failure of immunization.
2,. individualized treatment of swine morbidity:
(1) a long-acting injection.
(2) morninglight no. 1, mixed tratch mixed with fever.
(3) chong xin, no. 2, mixture, quick ice, intramuscular injection
the above drugs are given once a day and 3-5 days at the same time.
be careful：
when suspected of classical swine fever, swine fever attenuated vaccine injection, and then use chong xin 1 and the virus injection, and at the same time a group of preventive drugs for 3-5 days, while strengthening the feeding management, environmental sanitation.
(chuang xin liu) |
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