Eggshell contamination with special reference to different methods of disinfection on the isolated bacteria
eltokhy, E., Hefny, E., Koraney, N., Azam, A. (2021). Eggshell contamination with special reference to different methods of disinfection on the isolated bacteria. EKB Journal Management System, 41(1), 13-18. doi: 10.21608/bvmj.2021.76826.1414
esam eltokhy; esraa Hefny; Naglaa Koraney; Aya Azam. "Eggshell contamination with special reference to different methods of disinfection on the isolated bacteria". EKB Journal Management System, 41, 1, 2021, 13-18. doi: 10.21608/bvmj.2021.76826.1414
eltokhy, E., Hefny, E., Koraney, N., Azam, A. (2021). 'Eggshell contamination with special reference to different methods of disinfection on the isolated bacteria', EKB Journal Management System, 41(1), pp. 13-18. doi: 10.21608/bvmj.2021.76826.1414
eltokhy, E., Hefny, E., Koraney, N., Azam, A. Eggshell contamination with special reference to different methods of disinfection on the isolated bacteria. EKB Journal Management System, 2021; 41(1): 13-18. doi: 10.21608/bvmj.2021.76826.1414

Eggshell contamination with special reference to different methods of disinfection on the isolated bacteria

Benha Veterinary Medical Journal
Article 3, Volume 41, Issue 1, October 2021, Page 13-18  XML PDF (501.45 K)
Document Type: Original Article
DOI: 10.21608/bvmj.2021.76826.1414
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Authors
esam eltokhyorcid 1; esraa Hefnyorcid 2; Naglaa Koraneyorcid 3; Aya Azam email orcid 4
1Biotechnology department, Animal Health Research Institute (AHRI), Egypt
2Milk and Meat Hygiene Department, Animal Health Research Institute (AHRI), Agriculture Research Center (ARC),Egypt.
3Bacteriology and Immunology Department, Animal Health Research Institute (AHRI), Agriculture Research Center (ARC), Egypt.
4Animal hygiene and veterinary Management Department, Faculty of Vet. Med., Benha University, Benha, Egypt
Abstract
The study was conducted on 198 table eggs that were collected from markets, manual and automatic farms in EL-Fayoum governorate, to assess the existence of foodborne pathogens (Escherichia coli and Staphylococcus aureus), either on the outer eggshell or inner egg contents and to evaluate the reduction capacity of three antimicrobial agents (citric acid 3%, Sodium bicarbonate 3% and hydrogen peroxide (H2O2)3%) against eggshells bacterial load. The obtained results found that Staph. aureus has recorded the highest prevalence (90%) in table eggs, Almost, E. coli and Staph. aureus isolates exhibited high resistance to the tested antibiotics. Also, the E. coli isolates were positive to virulence genes (tet A gene and dfr A gene). Finally, the effect of tested antimicrobial agents on the experimentally contaminated eggs showed that H2O2 (3%) was more effective in reducing the load of E. coli on eggshells than the other antimicrobial agents tested, while bicarbonate 3% expressed a significant ability to reduce Staph. aureus.
Keywords
Antimicrobial agents; Eggshells; Escherichia coli; Staphylococcus aureus; virulence gene
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