Investigation on the prevalence of diarrhea in beef cattle in Changji Prefecture,Xinjiang
The purpose of this study was to understand the prevalence of several common diarrhea pathogens in different seasons and farms of beef cattle in Changji Prefecture,Xinjiang.121 EDTA anticoagulant blood,whole blood,anal swab or feces samples were collected from 12 farms with clinical symptoms of diarrhea in four seasons in Changji Prefecture.The laboratory detection of five common viruses and five bacteria causing beef cattle diarrhea was carried out to analyze the prevalence of different pathogens in different seasons and different fields in Changji Prefecture.The results showed that the highest number of viruses detected in spring were bovine norovirus(BNoV)and bovine nebovirus(BNeV),with a positive rate of 8.00%,and Escherichia coli O157:H7(64.00%).The most detected viruses in summer were bovine rotavirus(BRV,31.58%)and Escherichia coli O157:H7(53.57%).The most detected viruses in autumn were bovine viral diarrhea virus(BVDV,37.94%),and Shiga toxin-producing Escherichia coli(STEC,37.29%).In winter,BNoV(55.56%)and STEC(100.00%)were the most detected viruses.The results showed that in Changji prefecture,there were more bacterial pathogens such as Escherichia coli O157:H7 and STEC in each season,and more viral pathogens such as BVDV and BNoV in autumn and winter.The mixed infection of multiple bacteria and viruses in the covered areas of sites A,B and C is relatively common.
万方数据
维普
