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Influence of Hygienic Measures on Enterobacteriaceae Prevalence and Antimicrobial Resistance in Poultry Farms

Influence of Hygienic Measures on Enterobacteriaceae Prevalence and Antimicrobial Resistance in Poultry Farms

H. A. Aidaros1*, S. S. Khalafallah1, M. S. Diab2, Nehal K. Alm Eldin2, Halla E.K. El Bahgy1 

1Veterinary Hygiene and Management Department, Faculty of Veterinary Medicine, Benha University, Moshtohor 13736, Egypt; 2Animal Hygiene and Zoonoses Department, Faculty of Veterinary Medicine, New Valley University, El-Kharga 72511, Egypt.

*Correspondence | H.A. Aidaros, Veterinary Hygiene and Management Department, Faculty of Veterinary Medicine, Benha University, Moshtohor 13736, Egypt; Email: haidaros@netscape.net 

ABSTRACT

Enterobacteriaceae threaten the success of the poultry industry, as they cause great economic losses due to the high mortalities and the high treatment cost. They cause serious public health hazards, as they are the major cause of food-borne infections. The study aimed to investigate the prevalence of Enterobacteriaceae in twelve poultry farms located in Qalubia Governorate, Egypt, and their antimicrobial resistance. A total number of 2160 samples included litter, pen litter, stored feed, feed from the feeders, water, drinkers, droppings, dust, swabs from walls, birds’ cloaca, worker’s hands, and wheels of vehicles. The results showed that there was a negative relationship between the prevalence of Enterobacteriaceae and the hygienic measures enforced in the poultry farms under study. The highest prevalence of Salmonella and E. coli was recorded in duck farms (36.2% and 54.3% respectively) and the lowest prevalence was recorded in breeder chicken farms (10.2% and 29.3% respectively). The isolated Salmonella species showed high resistance (100%) against doxycycline, ampicillin, and amoxicillin, while E. coli species showed resistance (90%) against oxytetracycline, doxycycline, ampicillin, and amoxicillin. Both Salmonella and E. coli species were highly susceptible to gentamicin. Gene tetA and blaSHV were detected in Gene tetA and blaSHV were detected in 28.5% & 57.1% of Salmonella, respectively, and 70% & 60% of E. coli serotypes, respectively.  The application of good biosecurity programs including strict measures in poultry farms is the preferable method to reduce the risk of pathogenic bacteria and reduce the use of antibiotics.

Keywords | Poultry farms, Hygiene, Enterobacteriaceae, Antimicrobial Resistance, Resistance gens. 

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Advances in Animal and Veterinary Sciences

1

Vol. 11, Iss. 1, Pages 1-188

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