as early as 12 h of life. E. coli typically .... readings were then recorded after every 24 h. .... of bacterial scours in calves (Charles et al. 2003 ... As documented in Charles et al. ..... K.W. Hinchcliff and P.D. Constable (eds), Veterinary medicine: a.
Trop Anim Health Prod DOI 10.1007/s11250-015-0946-9
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Characterization of Escherichia coli isolated from calf diarrhea in and around Kombolcha, South Wollo, Amhara Region, Ethiopia Ashenafi Gebregiorgis 1 & Tesfaye Sisay Tessema 2
Received: 15 July 2015 / Accepted: 26 October 2015 # Springer Science+Business Media Dordrecht 2015
Abstract This study was carried out from October 2012 to end of February 2013 in and around Kombolcha, Amhara regional state, Ethiopia, using a total of 201 neonatal calves aged 1 day to 4 months and suffering from diarrhea. The objectives of the study were to isolate Escherichia coli from diarrheic calves, and to determine E. coli biotypes and risk factors associated with its isolation. The fecal samples were collected, transported, and processed following standard microbiological procedures. Seventy-four isolates of E. coli were identified. Yellowish diarrhea, younger age, and lowcolostrum feeding were significantly associated with rate of E. coli isolation (P
