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The main symptoms of swine dysentery and its prevention

The main symptoms of swine dysentery and its prevention

(Summary description) Swine dysentery, also known as swine blood dysentery, is a serious intestinal infectious disease caused by Treponema pallidum.

Information

    Swine dysentery, also known as swine blood dysentery, is a serious intestinal infectious disease caused by Treponema pallidum. Under natural circumstances, only pigs develop disease, and pigs of all ages and breeds can be infected, but the main damage is Piglets aged 2-3 months; piglets have higher morbidity and mortality than big pigs; sick pigs and carriers are the main source of infection, and the occurrence of this disease has no obvious seasonality; due to the presence of carrier pigs, they often pass Herds are moved and traded to spread the disease. Strain-bearing pigs often do not develop disease under normal feeding and management conditions. When there are unfavorable factors that reduce pig body resistance, inadequate feeding, lack of vitamins and stress factors, they can promote disease.

    Pathogen: Swine dysentery, also known as swine rickets or swine diarrhea, is a serious intestinal infectious disease caused by Treponema pallidum.

Popular characteristics: Pigs of different ages are susceptible, but piglets are more common at 7-12 weeks of age. The incidence and mortality of piglets are higher than that of big pigs. The disease is obviously seasonal.

  The main symptoms:

1. Acutely diseased pigs draw yellow watery thin stools, which are mixed with a large amount of mucus, blood, cellulose, and necrotic tissue fragments; sometimes air bubbles are mixed in the stool.

2. Chronic diseased pigs have soft and hard feces when pulled, mixed with mucus and necrotic tissue fragments, and sometimes mixed with blood. The diseased pigs are thin and have poor growth.

Main lesions: hyperemia, hemorrhage, and edema of the large intestine mucosa, bloody contents in the intestine, large intestine mucosa of chronically diseased pigs with necrotizing inflammation, the surface covered with mucus or cellulose, and the large intestine surface was bran-like or tofu residue-like.

    Prevention methods:

    1. Prevent the purchase of infected pigs from the ward; if introduced, pigs need to be isolated for observation and quarantine.

    2. Timely treatment of sick pigs, drug treatment, often have a certain effect, such as carbendazim (MAQO, 3-methyl-acetyl-quinoxaline-1,4-dioxide) 5mg / kg, orally, daily 2 times, 3 consecutive days as a course of treatment, or intramuscular injection of 0.5% bacillus net solution 0.5ml / kg; dimethylnitroimidine, neomycin sulfate, tetralin, lincomycin, tetracycline family Many antibiotics and other antibacterial drugs have a certain effect. It should be pointed out that the disease is easy to relapse after treatment, and it is necessary to adhere to the combination of treatment courses and improved feeding management to receive good results.

    3. Do a good job of cleaning, sanitizing and disinfecting the pigsty and environment; handle the feces well.

    4. Sick pigs are best eliminated.

    5. Adhere to the purification measures combining medicine, management and sanitation, which can get better purification results.

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