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Factors associated with Toxoplasma gondii infection in confined farrow-to-finish pig herds in western France: an exploratory study in 60 herds

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2016
734.pdf (498.3Kb)
Authors
Đokić, Vitomir
Fablet, C.
Blaga, Radu
Rose, N.
Perret, Catherine
Đurković-Đaković, Olgica
Boireau, Pascal
Durand, B.
Article (Published version)
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Abstract
Background: Infection by Toxoplasma gondii postnatally can occur after ingestion of contaminated meat or water (tissue cysts/oocysts). In Europe, percentage of meat borne infections is estimated between 30 and 63 %, out of which pork makes the most important source. The aim of this study was to (i) investigate the seroprevalence of T. gondii in intensive pig farms from western France; and (ii) identify the risk factors associated with seropositivity. Methods: Data were collected between November 2006 and February 2008 in 60 intensive farrow-to-finish farms, where sera were taken from 3595 fattening pigs, weaned and suckling piglets. Information about three classes of potential seropositivity risk factors were obtained through a questionnaire concerning: (i) breeding characteristics; (ii) farm management; and (iii) husbandry and hygiene. The modified agglutination test (MAT) was used for detection of specific anti T. gondii antibodies in pig sera, starting from 1/6 dilution. Results: Th...e overall proportion of seropositive animals was 6.9 %, but the proportion of herds with at least one positive pig was 100 %. Multivariate logistic mixed model showed an increased seropositivity risk in weaned compared to suckling piglets, and a decreasing risk for mid-sized and large farms. The presence of a Danish entry facility, that clearly separates clean and dirty areas, had a protective effect on T. gondii seropositivity as well. Conclusions: The observed proportion of herds with at least one T. gondii seropositive animal provides further evidence that even in confined conditions of pig breeding, infection occurs, and is common. The highest risk for acquiring T. gondii is at the end of weaning period. Smaller confined pig farms demonstrate higher T. gondii seropositivity levels. This study also showed that Danish entry on farm buildings provides effective protection against T. gondii.

Keywords:
Toxoplasma gondii / Intensive pig farm / Risk factors
Source:
Parasites & Vectors, 2016, 9
Publisher:
  • Biomed Central Ltd, London

DOI: 10.1186/s13071-016-1753-5

ISSN: 1756-3305

PubMed: 27558270

WoS: 000383843700001

Scopus: 2-s2.0-85007566227
[ Google Scholar ]
25
19
URI
http://rimi.imi.bg.ac.rs/handle/123456789/737
Collections
  • Radovi istraživača / Researchers' publications
Institution/Community
Institut za medicinska istraživanja
TY  - JOUR
AU  - Đokić, Vitomir
AU  - Fablet, C.
AU  - Blaga, Radu
AU  - Rose, N.
AU  - Perret, Catherine
AU  - Đurković-Đaković, Olgica
AU  - Boireau, Pascal
AU  - Durand, B.
PY  - 2016
UR  - http://rimi.imi.bg.ac.rs/handle/123456789/737
AB  - Background: Infection by Toxoplasma gondii postnatally can occur after ingestion of contaminated meat or water (tissue cysts/oocysts). In Europe, percentage of meat borne infections is estimated between 30 and 63 %, out of which pork makes the most important source. The aim of this study was to (i) investigate the seroprevalence of T. gondii in intensive pig farms from western France; and (ii) identify the risk factors associated with seropositivity. Methods: Data were collected between November 2006 and February 2008 in 60 intensive farrow-to-finish farms, where sera were taken from 3595 fattening pigs, weaned and suckling piglets. Information about three classes of potential seropositivity risk factors were obtained through a questionnaire concerning: (i) breeding characteristics; (ii) farm management; and (iii) husbandry and hygiene. The modified agglutination test (MAT) was used for detection of specific anti T. gondii antibodies in pig sera, starting from 1/6 dilution. Results: The overall proportion of seropositive animals was 6.9 %, but the proportion of herds with at least one positive pig was 100 %. Multivariate logistic mixed model showed an increased seropositivity risk in weaned compared to suckling piglets, and a decreasing risk for mid-sized and large farms. The presence of a Danish entry facility, that clearly separates clean and dirty areas, had a protective effect on T. gondii seropositivity as well. Conclusions: The observed proportion of herds with at least one T. gondii seropositive animal provides further evidence that even in confined conditions of pig breeding, infection occurs, and is common. The highest risk for acquiring T. gondii is at the end of weaning period. Smaller confined pig farms demonstrate higher T. gondii seropositivity levels. This study also showed that Danish entry on farm buildings provides effective protection against T. gondii.
PB  - Biomed Central Ltd, London
T2  - Parasites & Vectors
T1  - Factors associated with Toxoplasma gondii infection in confined farrow-to-finish pig herds in western France: an exploratory study in 60 herds
VL  - 9
DO  - 10.1186/s13071-016-1753-5
UR  - conv_3847
ER  - 
@article{
author = "Đokić, Vitomir and Fablet, C. and Blaga, Radu and Rose, N. and Perret, Catherine and Đurković-Đaković, Olgica and Boireau, Pascal and Durand, B.",
year = "2016",
abstract = "Background: Infection by Toxoplasma gondii postnatally can occur after ingestion of contaminated meat or water (tissue cysts/oocysts). In Europe, percentage of meat borne infections is estimated between 30 and 63 %, out of which pork makes the most important source. The aim of this study was to (i) investigate the seroprevalence of T. gondii in intensive pig farms from western France; and (ii) identify the risk factors associated with seropositivity. Methods: Data were collected between November 2006 and February 2008 in 60 intensive farrow-to-finish farms, where sera were taken from 3595 fattening pigs, weaned and suckling piglets. Information about three classes of potential seropositivity risk factors were obtained through a questionnaire concerning: (i) breeding characteristics; (ii) farm management; and (iii) husbandry and hygiene. The modified agglutination test (MAT) was used for detection of specific anti T. gondii antibodies in pig sera, starting from 1/6 dilution. Results: The overall proportion of seropositive animals was 6.9 %, but the proportion of herds with at least one positive pig was 100 %. Multivariate logistic mixed model showed an increased seropositivity risk in weaned compared to suckling piglets, and a decreasing risk for mid-sized and large farms. The presence of a Danish entry facility, that clearly separates clean and dirty areas, had a protective effect on T. gondii seropositivity as well. Conclusions: The observed proportion of herds with at least one T. gondii seropositive animal provides further evidence that even in confined conditions of pig breeding, infection occurs, and is common. The highest risk for acquiring T. gondii is at the end of weaning period. Smaller confined pig farms demonstrate higher T. gondii seropositivity levels. This study also showed that Danish entry on farm buildings provides effective protection against T. gondii.",
publisher = "Biomed Central Ltd, London",
journal = "Parasites & Vectors",
title = "Factors associated with Toxoplasma gondii infection in confined farrow-to-finish pig herds in western France: an exploratory study in 60 herds",
volume = "9",
doi = "10.1186/s13071-016-1753-5",
url = "conv_3847"
}
Đokić, V., Fablet, C., Blaga, R., Rose, N., Perret, C., Đurković-Đaković, O., Boireau, P.,& Durand, B.. (2016). Factors associated with Toxoplasma gondii infection in confined farrow-to-finish pig herds in western France: an exploratory study in 60 herds. in Parasites & Vectors
Biomed Central Ltd, London., 9.
https://doi.org/10.1186/s13071-016-1753-5
conv_3847
Đokić V, Fablet C, Blaga R, Rose N, Perret C, Đurković-Đaković O, Boireau P, Durand B. Factors associated with Toxoplasma gondii infection in confined farrow-to-finish pig herds in western France: an exploratory study in 60 herds. in Parasites & Vectors. 2016;9.
doi:10.1186/s13071-016-1753-5
conv_3847 .
Đokić, Vitomir, Fablet, C., Blaga, Radu, Rose, N., Perret, Catherine, Đurković-Đaković, Olgica, Boireau, Pascal, Durand, B., "Factors associated with Toxoplasma gondii infection in confined farrow-to-finish pig herds in western France: an exploratory study in 60 herds" in Parasites & Vectors, 9 (2016),
https://doi.org/10.1186/s13071-016-1753-5 .,
conv_3847 .

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