Isolation And Identification Of Pathogen Leading To Bovine Sudden Death Syndrome In The Sufu County Of Kashi Prefecture

The sudden death syndrome (SDS) in domestic animals is a sporadic and endemic disease in Xinjiang. It frequently occures after cloudy and rainy days in the spring and autumn and is characterized by acute episode and sudden death involved many species of livestock, including catlle and sheep. Clinically, the sick aninals shows normal temperrature basically, stomachache and dyspnoea. Grossly, the extensive heamorrage in tissues, swollen gallbladder and mucosal slough in rumen and abomasum are found. The efficient prevention can be obtaind by inoculation with emergent vaccine. The pathogens of this disease are more complicated. This disease was considered as a syndrome caused by poly-agents at the beginning. Resently the disease in catlle has been generally thought as a sudden death coused by Clostridium perfringens type A . An outbreak of sudden death in catlle in 4 small towns in Sufu County of kashi prefecture was described and 196 sick and 65 dead in this paper.Through epdemic investigation and distinguishing diagnosis,exclude the possibility of Nitrate and nitrite poisoning,.Hydrocyanic acid poisoning,Pesticide poisoning and Poisonous weeds poisioning, meanwhile analysis aimed at geography circumstance,climate and rainfall of Sufu county, think that is a good condition for growth and breeding of Clostridium perfringens. Through bacteriology examine,animals test and ATB indentification system confimed the separate bacteria is Clostridium perfringens. Meanwile through intestines content toxicosis test,confirmed the toxins exist,then do the neutralization test confirmed the A type . Through medical sensitive test to filtrate penicillin,erythromycin etc. conduct the positive effection for prevention and cure of the disease.