Veterinary Science & Technology

Gebremedhin Yohannes

Publications

• Research Article
  Isolation, Identification and Antimicrobial Susceptibility Testing of Escherichia coli Isolated from Selected Dairy Farms in and Around Mekelle, Tigray, Ethiopia
  Author(s): Gebremedhin YohannesGebremedhin Yohannes
  
  A cross sectional study was conducted from November 2014 to April 2015 in selected dairy farms in and around Mekelle, Tigray, Ethiopia with the objective of isolating and identifying Escherichia coli from raw cow’s milk and determining its antimicrobial susceptibility pattern. From a total of 300 raw milk samples collected, 75 (25%) were found to be positive for E. coli organisms by culture method. Among the potential risk factors, stage of lactations (x2=149.677; P=0.000), age groups (x2=6.010; P=0.04) and parity numbers (x2=11.594; P=0.009) were found significantly associated with occurrence of E. coli. The highest percentage of E. coli isolates were found from cows’ milk with early stage of lactation 53 (84.1%) and from cows with four and above parity number 43 (32.8%). On the other hand, the association between different farms were not statistically significant (x2=5.7.. Read More»
  DOI: 10.4172/2157-7579.1000518

  Abstract PDF