5Cho Y I,Yoon K J.An overview of calf diarrhea-infectious etiology,diagnosis,and intervention[J].J Vet Sci,2014,15(1):1-17.
6Klein-Jobstl D,Lwersen M,Drillich M.Farm characteristics and calf management practices on dairy farms with and without diarrhea:a case-control study to investigate risk factors for calf diarrhea[J].J Dairy Sci,2014,97(8):5110-5119.
7Smith R L,Sanderson M W,Jones R,et al.Economic risk analysis model for bovine viral diarrhea virus biosecurity in cow-calf herds[J].Prev Vet Med,2014,113(4):492-503.
8Waldner C L,Kennedy R I.Associations between health and productivity in cow-calf beef herds and persistent infection with bovine viral diarrhea virus,antibodies against bovine viral diarrhea virus,or antibodies against infectious bovine rhinotracheitis virus in calves[J].Am J Vet Res,2008,69(7):916-927.
9Hur J,Jeon B W,Kim Y J,et al.Escherichia coli isolates from calf diarrhea in Korea and their virulent genetic characteristics[J].J Vet Med Sci,2013,75(4):519-522.
10Mawly J A,Grinberg A,Prattley D,et al.Risk factors for neonatal calf diarrhoea and enteropathogen shedding in New Zealand dairy farms[J].Vet J,2015,203(2):155-160.
