Investigation and analysis of diarrhea pathogens in lactating beef calves in Ningxia
Gao Haihui
Bei Liqin
Wei Xueyi
Kang Xiaodong
Abstract：The aim of this experiment was to determine the prevalence and distribution of diarrhea pathogens in lactating beef calves in Ningxia.92 faeces with obvious diarrhea symptoms were collected aseptically and tested by morphological and molecular biological methods.The results showed that the positive rates of bovine rotavirus and cryptosporidium were the highest among the diarrhea pathogens of lactating beef calves in Ningxia.They were 33.70％(31/92),followed by bovine coronavirus 21.74％(20/92),Giardia lamblia 18.48％(17/92)and Escherichia coli K99 13.04％(12/92),bovine torovirus 8.70％(8/92),bovine astrovirus 6.52％(6/92),bovine kobuvirus 4.35％(4/92),coccidia 1.09％(1/92),etc.Among the 92 samples,the positive rate of single infection was 51.08％,the positive rate of double mixed infection was 23.91％,the positive rate of triple mixed infection was 9.79％,and the positive rate of more than triple mixed infection was 4.35％.The results showed that the diarrhea of lactating beef calves in Ningxia region was mainly infected by single infection,and the main pathogens were bovine rotavirus,cryptosporidium,Giardia lamblia,Escherichia coli K99 and bovine coronavirus.
Keywords：Beef calvesDiarrhea agentViral infectionParasitic infectionBacterial infection
Publication Date：2024-09-15
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：5( 69-73 )