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Campylobacter spp. at different stages of the poultry slaughtering line in Algeria: Evaluation of direct and indirect modified ISO 10272:2017 detection methods and characterization of the isolates | ||
| Archives of Razi Institute | ||
| مقالات آماده انتشار، پذیرفته شده، انتشار آنلاین از تاریخ 24 اردیبهشت 1402 | ||
| نوع مقاله: Original Articles | ||
| شناسه دیجیتال (DOI): 10.22092/ari.2023.361836.2690 | ||
| نویسندگان | ||
| Radia Bouhamed* 1؛ Taha-Mossadak Hamdi2 | ||
| 1Department of Food Hygiene and Microbiology, Laboratory of Food Hygiene and Quality Insurance System (HASAQ), High National Veterinary School, Issad Abbes street, El-Alia, Oued Smar, Algiers-Algeria | ||
| 2Department of Food Hygiene and Microbiology, Laboratory of Food Hygiene and Quality Insurance System (HASAQ), High National Veterinary School, Algiers, Algeria | ||
| چکیده | ||
| This study aimed to evaluate the effectiveness of direct and indirect modified ISO 10272-1:2017 methods for detecting Campylobacter spp. in 10 sites of a poultry slaughterhouse and investigate the relationship between poultry intestinal carriage and carcasses as well as surfaces contamination during different slaughter steps (scalding, defeathering, evisceration and rinsing steps). Antibiotic resistance profiles of the isolates were also determined against 12 antibiotics. 165 intestinal (feces and ceca) and non-intestinal (neck skins and surfaces) samples were collected from 10 different sampling sites before, during and after the slaughter of six flocks of broiler chickens. After isolation and phenotypic identification of the isolates, an antibiotic susceptibility study was performed using the agar diffusion method. Thermotolerant bacteria of the genus Campylobacter (TC) were isolated with a prevalence of 47.04% (127/270). 39.05% (82/210) of TC isolates were detected in non-intestinal samples. 76.19% (80/105) of these microorganisms were detected by direct isolation method for a sensitivity of 97.56%, while only 1.90% (2/105) of the samples contained TC by indirect isolation method for a sensitivity of 2.44%. Samples of intestinal origin were positive for TC with a rate of 75.00% (45/60). C. jejuni (76.38%; 97/127) was the most isolated bacterial species. 98.43% (125/127) of TC isolates were multidrug resistant and 69.29% (88/127) showed simultaneous resistance to ciprofloxacin and erythromycin. Direct isolation seems to be the best method for the detection of Campylobacter spp. A serious public health problem of multidrug resistant Campylobacter spp. isolates with critical resistance profiles can be transmitted to broiler carcasses before, during and after the evisceration step. | ||
| کلیدواژه‌ها | ||
| Campylobacter؛ slaughterhouse؛ intestinal origin؛ non-intestinal origin؛ antimicrobial resistance | ||
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آمار تعداد مشاهده مقاله: 47 |
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