Occurrence of Salmonella spp. in the broiler production chain

IF 0.4 4区农林科学 Q4 VETERINARY SCIENCES

Arquivo Brasileiro De Medicina Veterinaria E Zootecnia Pub Date : 2023-10-01 DOI:10.1590/1678-4162-12842

A.C. Queiroz, M. Milanesi, L.H. Queiroz, C.M. Nunes

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Abstract

ABSTRACT Brazilian chicken meat is exported to more than 150 countries and consumed by consumer markets that demand high quality and food safety, thus, requiring very strict control of pathogens present in food to guarantee these rigorous safety standards. This study evaluates the reports from the Salmonella spp. Control and Monitoring Program of the Brazilian Ministry of Agriculture, Livestock and Food Supply of seven slaughterhouses inspected by the Federal Inspection Service from the western region of Paraná state, Brazil, from March 2017 to February 2019. The broiler litter swab and carcass analyses revealed a Salmonella spp. positivity ratio of 5.9% (19/319) and 23.5% (75/319), respectively. The concomitant presence of Salmonella spp. in the broiler litter swab and chicken carcasses occurred in 58% of the positive samples. The most frequently isolated serovar in the carcasses was Salmonella Heidelberg (85.3%) followed by Salmonella spp. (10.6%). During slaughter, carcass positivity to Salmonella spp. was significantly different (p=0.047) between the first (19.6%) and the second (29.4%) shifts. The results alert for the possibility of carcass contamination during slaughtering and, therefore, more stringent hygiene measures between shifts must be implemented to mitigate carcass contamination.

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在肉鸡生产链中出现沙门氏菌

巴西鸡肉出口到150多个国家，并被要求高质量和食品安全的消费市场所消费，因此，需要非常严格地控制食品中的病原体，以保证这些严格的安全标准。本研究评估了巴西农业、牲畜和食品供应部沙门氏菌控制和监测项目对联邦检验局于2017年3月至2019年2月对巴西帕拉南州西部地区的7家屠宰场进行检查的报告。肉鸡产仔拭子和胴体沙门菌阳性率分别为5.9%(19/319)和23.5%(75/319)。在58%的阳性样本中，肉鸡产仔拭子和鸡尸体中同时存在沙门氏菌。检出最多的血清型为海德堡沙门氏菌(85.3%)，其次为沙门氏菌(10.6%)。屠宰期间，第一班(19.6%)和第二班(29.4%)的屠宰胴体沙门氏菌阳性率差异显著(p=0.047)。结果提示屠宰过程中胴体污染的可能性，因此，必须在轮班之间实施更严格的卫生措施，以减轻胴体污染。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Arquivo Brasileiro De Medicina Veterinaria E Zootecnia 农林科学-兽医学

CiteScore

0.80

自引率

25.00%

发文量

111

审稿时长

9-18 weeks

期刊介绍： Publica artigos originais de pesquisa sobre temas de medicina veterinária, zootecnia, tecnologia e inspeção de produtos de origem animal e áreas afins relacionadas com a produção animal. Atualmente a revista mantém 628 permutas (419 internacionais e 209 nacionais), sendo um verdadeiro suporte para o recebimento de periódicos pela Biblioteca da Escola. A partir de 1999, a Escola de Veterinária delegou à FEP MVZ Editora o encargo do gerenciamento e edição de todas suas publicações, inclusive do Arquivo, ficando somente com o apoio logístico (instalações, equipamentos, pessoal etc.). O apoio financeiro é exercido pelo CNPq/FINEP e pela própria FEP MVZ.