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Assessment of two different types of sample for the early detection and isolation of thermophilic Campylobacter in broiler farms. | LitMetric

Assessment of two different types of sample for the early detection and isolation of thermophilic Campylobacter in broiler farms.

Avian Pathol

a Centre de Recerca en Sanitat Animal (CReSA) , UAB-IRTA, Campus de la Universitat Autònoma de Barcelona, 08193-Bellaterra (Cerdanyola del Vallès) , Spain.

Published: December 2015

AI Article Synopsis

  • A study compared the effectiveness of two sampling methods for detecting Campylobacter in broilers: necropsy-derived caecal contents and cloacal swabs in charcoal Amies medium.
  • The research, conducted on five batches from different farms, found that while both methods had similar sensitivity for detecting Campylobacter, cloacal swabs identified a higher percentage of positive birds.
  • Cloacal swabs are favored as they not only potentially yield better results but also eliminate the need to sacrifice birds, enhancing animal welfare and streamlining the sampling process.

Article Abstract

In order to assess the optimal method for the early detection and isolation of thermophilic Campylobacter in broilers at farm level, two types of samples were compared: caecal contents obtained by necropsy and cloacal swabs transported in charcoal Amies medium. The study was conducted in five batches of broilers from five different farms, where weekly samples (caecal contents and cloacal swabs) from 30 birds were obtained. Samples were plated onto selective agar (modified charcoal cefoperazone desoxycholate agar, mCCDA) for Campylobacter isolation. Four out of five batches were positive for Campylobacter. No marked differences in sensitivity of both sample types were observed. However, a higher percentage of positive birds were detected when cloacal swabs were used. The results show that cloacal swab samples are adequate, and in some cases even better than caecal samples for the early detection of Campylobacter in broiler flocks at farm level. Also, this sample avoids sacrificing birds to test Campylobacter, which not only allows saving time in sample collection, transportation and processing at the laboratory, but also improves bird welfare and cost of sampling.

Download full-text PDF

Source
http://dx.doi.org/10.1080/03079457.2015.1006576DOI Listing

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