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Wide Prevalence of Critically Important Antibiotic Resistance in Egyptian Quail Farms with Mixed Infections

Wide Prevalence of Critically Important Antibiotic Resistance in Egyptian Quail Farms with Mixed Infections

 Eman M. Farghaly1, Ahmed Samy1,2*, Heba Roshdy

 Reference Laboratory for Veterinary Quality Control on Poultry Production, Animal Health Research Institute, Ministry of Agriculture, P.O. Box 246 Dokki, 12618 – Giza, Egypt; 2Anses, Ploufragan-Plouzané Laboratory, Avian and Rabbit Virology-Immunology-Parasitology Unit, BP 53 Ploufragan, 22440 France.


Quail meat and egg production represent a promising source to cover the deficit in animal protein in developing countries including Egypt. However little is known about the prevalence and antibiotic resistance of major bacterial pathogens such as Escherichia Coli, Staphylococcus aureus Salmonella and Pasteurella spp. in Egyptian quail farms. Such information is important for drug choice and success of treatment as well as spotting the light on emerging antimicrobial resistance that represent major concern for public health. A total one hundred swabs and 500 organ samples were collected from apparently healthy and freshly dead quails respectively. Bacterial isolation and characterization were performed in accordance with the clinical laboratory standards and confirmed by PCR. In life birds, only E.coli and Salmonella could be recovered from Cloacal swabs, while in freshly dead birds all four pathogens disseminated in various organs with higher incidence of mixed compared to single infection. Different serotypes of E.coli and Salmonella could be recovered from dead birds however E.coli (O78) and S.enteritidis were recovered mainly from heart and liver. The recovered E.coli, S.aureus and P. haemolytica isolates recovered from mixed infection cases showed (57.1-100%) resistance to highly important antibiotic group (Doxycycline, Tetracycline, Trimethoprim sulfa methoxazole and Chloramphenicol) and showed dissimilar pattern of resistance to critical important antibiotic group. Salmonella isolates showed antibiotic resistance to Nalidixic acid (100%) and Nitrofurantoin (42.9%). Strict biosecurity measures are required to reduce the incidence of mixed bacterial infection and subsequently reduce the spread of antibiotic resistance genes between bacterial spp.


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Veterinary Sciences: Research and Reviews


Vol. 7, Iss. 1, Pages 1-91


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