Fox disease prevention and treatment
Pasteurellosis is also called hemorrhagic septicemia, abbreviated as failure. It is an infectious disease caused by Pasteurella multocida that can cause infection of various livestock and poultry and wild animals. It is characterized by acute septicemia and inflammatory hemorrhage. It can be expressed as subcutaneous tissue, joints, or organs with focal purulent inflammation. The disease is common in chickens, rabbits and sheep, but Pasteurella infection in the domestic reports of small foxes, now the author diagnosed and treated a case of Pasteurella fox reported as follows.
1 Incidence
On the afternoon of October 16, 1999, foxes were attacked at a farm. A total of 53 foxes were bred in the field, of which 29 were grass foxes and 24 were silver foxes. All the foxes were silver foxes, and there were more than 10 in total. Incidence of foxes varies from age to age. Most of them are Finnish silver foxes. Their diets are in good condition and their foxes are foxes. They have been used for breeding. The clinical manifestation is that the amount of drinking water is increased, food intake is gradually reduced to abolishment, and the spirit is frustrated. Constricted eyes closed, the tail was weak and drooping, was awkward, sitting or standing in a cage. Difficulties in breathing. Dogs in heavy foxes are sitting and can be heard with a wheezing sound. Oral and nasal flow foam or runny nose, eye mucous membrane cyanosis, erythema, diarrhea in the skin of the ears, abdomen, limbs. The death of the dying fox is about 80 h. At the time of onset, he enjoyed drinking water and drinking more than half the amount of food. The amount of food was gradually reduced to abolishment. He was lethargic all day, his mouth flowed with mucus, and he vomited 5-8 times a day. The vomit was mainly a sauce liquid. The urine volume increased and was dark yellow, the body temperature increased to 41.8°C, the breathing was rapid, the pulse was 28 beats/min, and the weakness was obviously weakened and the body was exhausted. There was a pain in the throat under the touch of the neck, and massive bloody spots appeared subcutaneously on the inside of the ears, abdomen and limbs. The other severely affected fox was onset 20 hours later. The onset of illness was similar to that of strangling fox.
2 pathological changes
After strangling the skin of the fox, it was found that there were a large number of bleeding points in many mucous membranes and subcutaneous tissues throughout the body. The throat of the neck is hard, feverish, red and swollen, and extends to the ear roots. There are a large number of bleeding spots in the surrounding connective tissue. Serosal exudative serous edema. There are bleeding points in both the heart and the adventitia, and there is also a needle-like bleeding point in the coronary sulcus fat. The lymph nodes of the body were swollen in multiple haemorrhages and the red beaded fluid leaked from the cut surface. The surface of the liver was a bit like bleeding, swelling on the back was obvious, and fatty degeneration and necrosis occurred on a large area on the ventral surface. The necrosis appeared pale yellow and the cut surface was covered with pale red liquid. There is a needle-shaped bleeding point under the kidney capsule, and the left kidney surface is pale and the cut surface is rich in light red liquid.