Virulence and antibiotic resistance profile of avian strains isolated from colibacillosis lesions in central of Algeria.

Background And Aim: Avian pathogenic cause extensive mortality in poultry flocks, leading to extensive economic losses. To date, in Algeria, little information has been available on virulence potential and antibiotics resistance of avian isolates. Therefore, the aim of this study was the characterization of virulence genes and antibiotic resistance profile of Algerian strains isolated from diseased broilers.

Carriage in Poultry and Cattle in Northern Algeria.

Multiresistant and especially ( poses a serious public health problem that requires their immediate identification and antibiotic resistance characteristics. In order to determine antibiotic resistance poultry and bovine origin, 8840 samples were collected from slaughterhouses in the northern region of Algeria between years 2009 and 2014. 8375 samples were from an avian origin (1875 from laying hens and 6500 from broiler chickens) and the rest was from bovine origin.

First Description of an Extended-Spectrum Cephalosporin- and Fluoroquinolone- Resistant Avian Pathogenic Escherichia coli Clone in Algeria.

Eleven avian pathogenic Escherichia coli (APEC) strains isolated from 2006 to 2010 from different farms in Algeria and resistant to cephalosporins were studied. Their susceptibility to antimicrobials was determined by disk diffusion, and the genes responsible for resistance to critical antimicrobials were studied by PCR, sequencing, and conjugation. Their genetic profiles were compared by pulsed-field gel electrophoresis (PFGE).