Survey of Salmonellae occurrence in meat-producing rabbitries in Switzerland.

IF 1.3 Q2 VETERINARY SCIENCES

Veterinary Record Open Pub Date : 2022-01-22 eCollection Date: 2022-12-01 DOI:10.1002/vro2.24

Julia Schädler, Julia Schwarz, Judith Peter-Egli, Gertraud Schüpbach-Regula, Danja Wiederkehr, Sarah Albini

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Abstract

Background: An outbreak of salmonellosis due to Salmonella Typhimurium was detected coincidentally in a Swiss meat rabbitry, given that surveillance of Salmonella in rabbits is not mandatory in Switzerland.

Methods: To assess the extent of potentially subclinical Salmonella carriage in meat rabbits, faecal pool samples of 50 farms (90% of Swiss commercial rabbitries) with ground covering litter and group housing were bacteriologically tested. Additionally, 236 rabbits showing clinical signs compatible with intestinal diseases, such as salmonellosis, were examined postmortem and analysed bacteriologically. Salmonella isolates were serotyped and analysed by whole genome sequencing (WGS).

Results: Salmonella Typhimurium was detected in three commercial farms (6.0% of all tested farms). The affected farms were directly linked to the animal trade and Salmonella isolates were shown to be identical by WGS.

Conclusion: There is no increased hazard for Salmonella carriage in the animal welfare-friendly Swiss husbandry systems in general, despite risk factors such as ground covering litter.

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瑞士产肉兔场沙门氏菌发生率调查。

背景：瑞士没有强制要求对兔子的沙门氏菌进行监测，但在瑞士的一家肉兔养殖场却偶然发现了由鼠伤寒沙门氏菌引起的沙门氏菌病疫情：方法：为了评估肉兔体内潜在亚临床沙门氏菌携带的程度，对 50 个养殖场（占瑞士商业兔场的 90%）的粪便池样本进行了细菌学检测，这些养殖场均采用地面覆盖式兔舍和群居式兔舍。此外，还对 236 只出现与肠道疾病（如沙门氏菌病）相符的临床症状的兔子进行了死后检查和细菌学分析。对分离出的沙门氏菌进行血清分型，并通过全基因组测序（WGS）进行分析：结果：在三个商业养殖场（占所有受检养殖场的 6.0%）检测到鼠伤寒沙门氏菌。受影响的农场与动物贸易直接相关，WGS 显示沙门氏菌分离物相同：结论：尽管存在地面覆盖垃圾等风险因素，但瑞士动物福利友好型饲养系统中的沙门氏菌携带风险总体上并未增加。

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来源期刊

Veterinary Record Open VETERINARY SCIENCES-

CiteScore

3.00

自引率

0.00%

发文量

审稿时长

19 weeks

期刊介绍： Veterinary Record Open is a journal dedicated to publishing specialist veterinary research across a range of topic areas including those of a more niche and specialist nature to that considered in the weekly Vet Record. Research from all disciplines of veterinary interest will be considered. It is an Open Access journal of the British Veterinary Association.