1. The main symptoms

The most acute and most frequent goslings in the 3 to 7 days, the course of several hours to 1 day. Acute multiple occurred in 8 to 15 days old goslings, duration of 3 to 5 days. The sick goose is gloomy, strays out of the group, drains yellow-green, pale or egg-like thin stools, difficulty breathing, discharge from the nostrils, dark corners of the mouth and edges. Can not stand before death, legs twitch. Chronic goslings occur more often after 15 days of age, sick gooses suffer from lack of energy, intermittent diarrhea, weight loss, and weakness.

2. Disease characteristics

Four-day-old dead goslings and severe bleeding in the small intestine. The mucous membranes are swollen and shiny and accumulate a lot of mucus. 7 to 12 days old dead goslings, serious bleeding in the small intestine, a small amount of yellow-white cellulose exudate appeared in the mucosa, and a small amount of flake-like necrosis. After 14 days of age, goslings were killed and a solidified plug with a pale yellow pseudomembrane began to appear in the posterior segment of the small intestine. It was about 0.2 cm in diameter and 10 cm in length. The duration of the disease has increased, and the thrombus block has been growing up to 30 cm in length and 0.7 cm in diameter, causing the appearance of the small intestine to inflate, the wall of the intestine to be thin, and the small intestine segment of the thrombus-free segment to have severe hemorrhage. The mucosal surface is red.

3. Control methods

There is currently no effective treatment for this disease, which focuses on prevention. The key measure is to not introduce breeding geese and goslings from affected areas. In regions where the disease occurs and is endemic, vaccine immunization must be carried out and high-prevention serum must be used for prevention and treatment. We must always do a good job of cleaning, disinfection, and isolation.

(1) Immunization of geese immunized. One month prior to the start of production, two new immunizations using the gosling gosling virus-type gossip-goose plague vaccine were conducted. The immunization period was 6 months. Goslings are immune. One-day-old young goslings can be vaccinated with goslings using a new viral enteritis attenuated vaccine.

(2) The hyperimmune serum controls 1 day old goslings. Available goslings for new viral enteritis high serum or goslings new viral enteritis - gosling two high immune serum, each subcutaneous injection of 0.5 ml. The incidence of goslings goslings, goslings can be used for a new type of viral enteritis high serum or goslings new type of viral enteritis - gosling two high immune serum, each subcutaneous injection of 1 to 1.5 ml, the cure rate of up to 60%. In the use of serum control at the same time, the appropriate choice of antibiotics plus vitamin E, vitamin C for the prevention and control, can effectively prevent the occurrence of complications.

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