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Vet Rec. 2020 Jan 24. pii: vetrec-2019-105558. doi: 10.1136/vr.105558. [Epub ahead of print]

Campylobacter prevalence and risk factors associated with exceeding allowable limits in poultry slaughterhouses in Spain.

Author information

1
Centro de Calidad Avícola y Alimentación Animal de la Comunidad Valenciana (CECAV), Calle Nules 16, 12539, Castellón, Spain s.sevilla@cecav.org.
2
Departamento de Producción y Sanidad Animal, Salud Pública Veterinaria y Ciencia y Tecnología de los Alimentos, Instituto de Ciencias Biomédicas, Facultad de Veterinaria, Universidad Cardenal Herrera-CEU, CEU Universities, Avenida Seminario s/n, 46113, Moncada, Spain.
3
Instituto de Ciencia de Tecnología Animal, Universidad Politècnica de Valencia, Camí de Vera s/n, 46022, Valencia, Spain.
4
Centro de Calidad Avícola y Alimentación Animal de la Comunidad Valenciana (CECAV), Calle Nules 16, 12539, Castellón, Spain.

Abstract

BACKGROUND:

Campylobacter is the main pathogen involved in zoonotic gastrointestinal diseases. In 2018, European Regulation 2017/1495 on Campylobacter in broiler carcases came into force. In this context, the aim of the study was to assess the potential risk factors associated with exceeding the 1000 cfu/g (colony-forming units per gram) limit set by the EC in several slaughterhouses in Spain.

METHODS:

Data relating to 12 factors were collected using questionnaires. Samples were collected from 12 Spanish abattoirs in June, July and August 2017 (n=1725) and were analysed following the ISO 10272-2:2006 method.

RESULTS:

The proportion of Campylobacter-positive samples was 23.7 per cent (n=409). Analysis of flock age (41-50 days) revealed a significantly increased odds ratio (OR) in Campylobacter enumeration (OR=7.41). Moreover, scalding temperature (51.9°C-54°C) was positively associated with an increase in OR (OR=2.75). Time in transit to slaughter for 1-1.5 hours showed a significant decrease in OR (OR=0.25), while time in transit for more than two hours showed an increase in OR (OR=4.44). With regard to carcase weight, a weight of 3.21-3.58 kg showed a decrease in OR (OR=0.01).

CONCLUSION:

The outcomes of this study suggest that although most chickens are contaminated by the bacterium, the prevalence of those exceeding the 1000 cfu/g limit is not so high as thought.

KEYWORDS:

Campylobacter; poultry; quantitative; risk factor; slaughterhouse

PMID:
31980451
DOI:
10.1136/vr.105558

Conflict of interest statement

Competing interests: None declared.

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