Prevention and treatment of mink disease: salmonellosis of raccoon dog
The disease is a disease of raccoon dogs caused by salmonella.
1. Pathogen
The pathogen of the disease is Salmonella, mainly Salmonella enteritis.
2. Popular characteristics
The disease has obvious seasonality and usually occurs from June to August, showing an endemic epidemic, mainly affecting 1-2-month-old raccoon dogs.
3. Clinical symptoms
The incubation period was 3-20 days.
(1) Acute type: the sick raccoon dog refuses to eat, the body temperature rises, and most of the sick minks lie in the small room with arched back, tears in their eyes, slow movement along the cage, sometimes vomiting, often dysentery, and die in a coma for 5 to 10 hours. There are also people who die in 2 or 3 days.
(2) subacute type: mainly gastrointestinal dysfunction, high body temperature, depression of spirit, superficial frequency of breathing, loss of appetite, diseased raccoon dog coat, sunken eyeball, sometimes suppurative conjunctivitis, sick raccoon dog dysentery, individual mixed with blood, weak limbs, incomplete paralysis of hindlimb in the later stage, and died in 7 days after high failure.
(3) chronic type: sick raccoon dog loss of appetite, gastrointestinal dysfunction, dysentery, feces often mixed with blood, gradual weakness, anemia, suppurative conjunctivitis, concave at present, disorganized by fur, like to lie, walking and swaying, and survived after 3-4 weeks of failure.
During lactation, raccoon dogs are weak, inactive and unable to suck milk. Raccoon dogs do not hug in the nest, give a weak moan or cry, often yawn, raccoon raccoon dog growth retardation, the course of disease 2-3 days most die.
4. Anatomical and pathological changes
Mucosal yellow staining, hepatomegaly, dark red; yellowish, highly enlarged spleen, hilar and mesenteric lymph nodes enlarged.
5. Clinical diagnosis
According to symptoms, autopsy, combined with epidemic characteristics, a preliminary diagnosis can be made, and the diagnosis needs bacteriological examination.
6. Prevention and treatment
(1) Prevention: strengthen feeding management, improve hygiene, and strictly prevent feeding feed contaminated by salmonella. Feed with suspected salmonella contamination should be cooked and fed. The specific prevention is to receive multivalent formalin vaccine, subcutaneously twice every 5 days at the age of 30-35 days, with a dose of 1-2 ml, which can be immunized for 7-8 months. After the mother raccoon dog is vaccinated, the immune antibody is transmitted to the young raccoon dog through breast milk.
(2) treatment: neomycin and levomycin were mixed with feed for 7 to 10 days. The daily adult raccoon dog is 20 milligrams, and the young raccoon dog is 5 milligrams, and the young raccoon dog is 5 milligrams.
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