Some virulence factors of Escherichia coli isolated from diarrheic calves
2018
Ghada Sayed Ibrahim | Walid H. Hassan | Ragab Azzam | Abeer Ahmed El -Sayed Shehata
Escherichia coliare the most common cause of diarrhea in calves. Diarrhea incalvesremains one of the most important problems faced by livestock, causing greateconomic losses. Some strains ofE. coli characterized by the presence of specificvirulence factors including haemolysin production, resistance to bactericidal effectsof serum and Congo red binding activity. In this studyfecal samples were collectedfrom 115 diarrheic calves aged from 3 days to one year and from different localitiesin Egypt along the period from February to August 2015.The prevalence of E. coliin diarrheic calves was 72.2%. 39.8% of isolated E. coli were haemolytic to sheepblood agar, 68.7% were serum resistant, 100% showed Congo red binding activity.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
المعلومات البيبليوغرافية
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