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Abattoir-based study investigating the association between gross pathological lesions and serological tests for Salmonella infection in pigs.

Smith, RP, Sanchez-Vazquez, MJ, Cook, AJ and Edwards, SA (2011) Abattoir-based study investigating the association between gross pathological lesions and serological tests for Salmonella infection in pigs. Vet Rec, 168 (9).

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Abstract

Abattoir data collected from three British pig health monitoring schemes were combined to investigate the associations between Salmonella infection and the presence of gross lesions detected in slaughtered pigs. Each set of results was linked back to the farm from which the pigs were submitted, and the Salmonella results and lesions reports were connected at farm level. Salmonella infection was determined through meat juice ELISA (MJE), and the health conditions were assessed by postmortem inspection. The final dataset contained 873 slapmarks, with an average of 215 samples tested by MJE, and 355 pigs that were assessed for health conditions, per slapmark. Each of the health assessment conditions was individually analysed by regression models to investigate associations with the MJE results, accounting for clustering at the slapmark level and also for seasonality. A multivariable model was also used to estimate the strength of association with MJE results when all the health conditions were entered into the model. The results showed positive associations between Salmonella and enzootic pneumonia-like lesions, milk spots, peritonitis and pericarditis.

Item Type: Article
Authors :
NameEmailORCID
Smith, RPUNSPECIFIEDUNSPECIFIED
Sanchez-Vazquez, MJUNSPECIFIEDUNSPECIFIED
Cook, AJalasdair.j.cook@surrey.ac.ukUNSPECIFIED
Edwards, SAUNSPECIFIEDUNSPECIFIED
Date : 5 March 2011
Identification Number : 10.1136/vr.c6823
Uncontrolled Keywords : Abattoirs, Animal Welfare, Animals, Enzyme-Linked Immunosorbent Assay, Meat, Salmonella, Salmonella Infections, Animal, Seasons, Sentinel Surveillance, Swine, Swine Diseases
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 09:49
Last Modified : 17 May 2017 14:45
URI: http://epubs.surrey.ac.uk/id/eprint/825303

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