this study was designed to compare the efficacy of a phytobiotic containing a mixture of essential oils of oreganum aetheroleum and an antibiotic containing ciprofloxacin as an active principle for the treatment of experimental escherichia coli (e. coli) infection in broiler chickens. two-hundred-day-old broiler chickens were divided into 5 equal groups. the 1st group was neither challenged nor...

twenty carcasses from a small flock of 5000 four-weeks old broiler chickens were submitted to a poultry disease diagnostic clinic in tehran. at necropsy, 19 carcasses showed the typical lesions of colibacillosis such as pericarditis, prihepatitis and airsaculitis. one case did not show any gross lesion of colibacillosis or chronic respiratory disease (crd) but the liver had an abnormal size con...

this study was conducted at beresa watershed district of guraghe administrative zone, the southern regional state of ethiopia to evaluate the on-farm reproductive and egg production performances of local kei and its f1 crosses with fayoumi and rhode island red (rir) chicken breeds under farmers’ management. the local kei paternal line was mated with maternal lines of fayoumi and rir chickens to...

BACKGROUND: Colibacillosis is one of the most economically important diseases of poultry worldwide. OBJECTIVES: This study was conducted to examine the clonal relatedness and typing of 95 avian Escherichia coli isolates by ERIC-PCR. METHODS: Sixty-three E. coli isolates from two common manifestations of colibacillosis (yolk sac infection and colisepticemia) and 32 isolates from feces of apparen...

This study aims to identify relative proportions of beneficial and pathogenic bacteria in the gut broilers risk factors that may be contributing development colibacillosis disease broiler farms District Kasur, Punjab, Pakistan. For this, 10 healthy affected were surveyed for ileum blood sample collection along with data regarding farm management, antibiotic use hygiene practices. Lactobacillus ...

Avian pathogenic Escherichia coli (APEC) causes colibacillosis in poultry, a leading cause of poultry mortality worldwide. It is crucial to control APEC broiler breeders as it vertically transferred progeny via eggs. However, there only limited knowledge on the current population breeders. This study characterized 28 strains isolated from with colibacillosis. The genotypic-virulence characteris...