The effect of source herd and abattoir factors on pig carcass Salmonella contamination evaluated by multilevel modelling

Publikation: KonferencebidragPaperForskning

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The effect of source herd and abattoir factors on pig carcass Salmonella contamination evaluated by multilevel modelling. / Baptista, Filipa Matos; Dahl, Jan; Nielsen, Liza Rosenbaum.

2010.

Publikation: KonferencebidragPaperForskning

Harvard

Baptista, FM, Dahl, J & Nielsen, LR 2010, 'The effect of source herd and abattoir factors on pig carcass Salmonella contamination evaluated by multilevel modelling'.

APA

Baptista, F. M., Dahl, J., & Nielsen, L. R. (2010). The effect of source herd and abattoir factors on pig carcass Salmonella contamination evaluated by multilevel modelling.

Vancouver

Baptista FM, Dahl J, Nielsen LR. The effect of source herd and abattoir factors on pig carcass Salmonella contamination evaluated by multilevel modelling. 2010.

Author

Baptista, Filipa Matos ; Dahl, Jan ; Nielsen, Liza Rosenbaum. / The effect of source herd and abattoir factors on pig carcass Salmonella contamination evaluated by multilevel modelling. 6 s.

Bibtex

@conference{c30f7263ca4a4c1681b82980e6df6d31,
title = "The effect of source herd and abattoir factors on pig carcass Salmonella contamination evaluated by multilevel modelling",
abstract = "In Denmark, a Surveillance-and-Control Programme for Salmonella in pigs has been in place for several years. This study investigated factors associated with Salmonella pig carcass contamination, namely estimated daily number of Salmonella seropositive pigs delivered to slaughter, average Salmonella seroprevalence of the source herds that delivered each of five pigs contributing to the pool, weekday, year, season and abattoir size. A total of 20128 pooled carcass swabs collected in 22 Danish abattoirs, from 2002 to 2008, were included in a multilevel logistic regression model. Study results indicate that the probability of Salmonella positive carcasses is mainly influenced by the Salmonella herd seroprevalence of the swabbed pigs, the number of seropositive pigs delivered to the abattoir on the same day and weekday. Further reduction in carcass pool Salmonella prevalence may require new or improved methods, such as abattoir hygiene, logistic slaughter and decontamination, adjusting for the Danish herd and abattoir structure.",
keywords = "Former LIFE faculty, Veterin{\ae}r epidemiologi, Salmonella, pigs",
author = "Baptista, {Filipa Matos} and Jan Dahl and Nielsen, {Liza Rosenbaum}",
year = "2010",
language = "English",

}

RIS

TY - CONF

T1 - The effect of source herd and abattoir factors on pig carcass Salmonella contamination evaluated by multilevel modelling

AU - Baptista, Filipa Matos

AU - Dahl, Jan

AU - Nielsen, Liza Rosenbaum

PY - 2010

Y1 - 2010

N2 - In Denmark, a Surveillance-and-Control Programme for Salmonella in pigs has been in place for several years. This study investigated factors associated with Salmonella pig carcass contamination, namely estimated daily number of Salmonella seropositive pigs delivered to slaughter, average Salmonella seroprevalence of the source herds that delivered each of five pigs contributing to the pool, weekday, year, season and abattoir size. A total of 20128 pooled carcass swabs collected in 22 Danish abattoirs, from 2002 to 2008, were included in a multilevel logistic regression model. Study results indicate that the probability of Salmonella positive carcasses is mainly influenced by the Salmonella herd seroprevalence of the swabbed pigs, the number of seropositive pigs delivered to the abattoir on the same day and weekday. Further reduction in carcass pool Salmonella prevalence may require new or improved methods, such as abattoir hygiene, logistic slaughter and decontamination, adjusting for the Danish herd and abattoir structure.

AB - In Denmark, a Surveillance-and-Control Programme for Salmonella in pigs has been in place for several years. This study investigated factors associated with Salmonella pig carcass contamination, namely estimated daily number of Salmonella seropositive pigs delivered to slaughter, average Salmonella seroprevalence of the source herds that delivered each of five pigs contributing to the pool, weekday, year, season and abattoir size. A total of 20128 pooled carcass swabs collected in 22 Danish abattoirs, from 2002 to 2008, were included in a multilevel logistic regression model. Study results indicate that the probability of Salmonella positive carcasses is mainly influenced by the Salmonella herd seroprevalence of the swabbed pigs, the number of seropositive pigs delivered to the abattoir on the same day and weekday. Further reduction in carcass pool Salmonella prevalence may require new or improved methods, such as abattoir hygiene, logistic slaughter and decontamination, adjusting for the Danish herd and abattoir structure.

KW - Former LIFE faculty

KW - Veterinær epidemiologi

KW - Salmonella

KW - pigs

M3 - Paper

ER -

ID: 37742477