Prevalence, risk factors and spatial analysis of liver fluke infections in Danish cattle herds

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Prevalence, risk factors and spatial analysis of liver fluke infections in Danish cattle herds. / Olsen, Abbey; Frankena, Klaas; Bødker, Rene; Toft, Nils; Thamsborg, Stig Milan; Enemark, Heidi L.; Halasa, Tariq H.

I: Parasites & Vectors, Bind 8, 160, 2015.

Publikation: Bidrag til tidsskriftTidsskriftartikelfagfællebedømt

Harvard

Olsen, A, Frankena, K, Bødker, R, Toft, N, Thamsborg, SM, Enemark, HL & Halasa, TH 2015, 'Prevalence, risk factors and spatial analysis of liver fluke infections in Danish cattle herds', Parasites & Vectors, bind 8, 160. https://doi.org/10.1186/s13071-015-0773-x

APA

Olsen, A., Frankena, K., Bødker, R., Toft, N., Thamsborg, S. M., Enemark, H. L., & Halasa, T. H. (2015). Prevalence, risk factors and spatial analysis of liver fluke infections in Danish cattle herds. Parasites & Vectors, 8, [160]. https://doi.org/10.1186/s13071-015-0773-x

Vancouver

Olsen A, Frankena K, Bødker R, Toft N, Thamsborg SM, Enemark HL o.a. Prevalence, risk factors and spatial analysis of liver fluke infections in Danish cattle herds. Parasites & Vectors. 2015;8. 160. https://doi.org/10.1186/s13071-015-0773-x

Author

Olsen, Abbey ; Frankena, Klaas ; Bødker, Rene ; Toft, Nils ; Thamsborg, Stig Milan ; Enemark, Heidi L. ; Halasa, Tariq H. / Prevalence, risk factors and spatial analysis of liver fluke infections in Danish cattle herds. I: Parasites & Vectors. 2015 ; Bind 8.

Bibtex

@article{224f2f3de95c4894a2854ac65ae6a340,
title = "Prevalence, risk factors and spatial analysis of liver fluke infections in Danish cattle herds",
abstract = "BACKGROUND: Fasciola hepatica, a trematode parasite (liver fluke), infects a wide range of host species causing fasciolosis. The disease is prevalent world-wide and causes considerable economic losses to the livestock industry. Fasciolosis is regarded as an emerging food-borne zoonosis. To promote awareness among farmers and to implement strategies to control the infection, this study examined the prevalence, spatial distribution and risk factors for F. hepatica infection in Danish cattle herds.\n\nMETHODS: A retrospective population based study was performed using meat inspection data of approximately 1.5 million cattle slaughtered in the period 2011 to 2013. Annual cumulative prevalence of recorded liver fluke findings was calculated for each year. Global and local spatial cluster analysis was used to identify and map spatial patterns of F. hepatica positive and negative herds to explore environmental indicators of infection. Herd level, trade and environmental risk factors were evaluated for association with infection using logistic regression. Herd infection status as predicted from the final risk factor model was compared with the observed status using heat maps to assess how well the model fitted the observed spatial pattern.\n\nRESULTS: During the investigated period (2011-2013), an increase in annual herd prevalence was noted (2011-25.6%; 2012-28.4%; 2013-29.3%). The spatial analysis suggested significant clustering of positive and negative herds. Presence of streams, wetlands and pastures on farms showed a significant association with the presence of infection in cattle herds. Buying animals from positive herds was a risk factor on conventional farms. Additionally, risk of being infected with F. hepatica was higher in non-dairy herds of medium size (≥30 and ",
author = "Abbey Olsen and Klaas Frankena and Rene B{\o}dker and Nils Toft and Thamsborg, {Stig Milan} and Enemark, {Heidi L.} and Halasa, {Tariq H.}",
year = "2015",
doi = "10.1186/s13071-015-0773-x",
language = "English",
volume = "8",
journal = "Parasites & Vectors",
issn = "1756-3305",
publisher = "BioMed Central",

}

RIS

TY - JOUR

T1 - Prevalence, risk factors and spatial analysis of liver fluke infections in Danish cattle herds

AU - Olsen, Abbey

AU - Frankena, Klaas

AU - Bødker, Rene

AU - Toft, Nils

AU - Thamsborg, Stig Milan

AU - Enemark, Heidi L.

AU - Halasa, Tariq H.

PY - 2015

Y1 - 2015

N2 - BACKGROUND: Fasciola hepatica, a trematode parasite (liver fluke), infects a wide range of host species causing fasciolosis. The disease is prevalent world-wide and causes considerable economic losses to the livestock industry. Fasciolosis is regarded as an emerging food-borne zoonosis. To promote awareness among farmers and to implement strategies to control the infection, this study examined the prevalence, spatial distribution and risk factors for F. hepatica infection in Danish cattle herds.\n\nMETHODS: A retrospective population based study was performed using meat inspection data of approximately 1.5 million cattle slaughtered in the period 2011 to 2013. Annual cumulative prevalence of recorded liver fluke findings was calculated for each year. Global and local spatial cluster analysis was used to identify and map spatial patterns of F. hepatica positive and negative herds to explore environmental indicators of infection. Herd level, trade and environmental risk factors were evaluated for association with infection using logistic regression. Herd infection status as predicted from the final risk factor model was compared with the observed status using heat maps to assess how well the model fitted the observed spatial pattern.\n\nRESULTS: During the investigated period (2011-2013), an increase in annual herd prevalence was noted (2011-25.6%; 2012-28.4%; 2013-29.3%). The spatial analysis suggested significant clustering of positive and negative herds. Presence of streams, wetlands and pastures on farms showed a significant association with the presence of infection in cattle herds. Buying animals from positive herds was a risk factor on conventional farms. Additionally, risk of being infected with F. hepatica was higher in non-dairy herds of medium size (≥30 and 

AB - BACKGROUND: Fasciola hepatica, a trematode parasite (liver fluke), infects a wide range of host species causing fasciolosis. The disease is prevalent world-wide and causes considerable economic losses to the livestock industry. Fasciolosis is regarded as an emerging food-borne zoonosis. To promote awareness among farmers and to implement strategies to control the infection, this study examined the prevalence, spatial distribution and risk factors for F. hepatica infection in Danish cattle herds.\n\nMETHODS: A retrospective population based study was performed using meat inspection data of approximately 1.5 million cattle slaughtered in the period 2011 to 2013. Annual cumulative prevalence of recorded liver fluke findings was calculated for each year. Global and local spatial cluster analysis was used to identify and map spatial patterns of F. hepatica positive and negative herds to explore environmental indicators of infection. Herd level, trade and environmental risk factors were evaluated for association with infection using logistic regression. Herd infection status as predicted from the final risk factor model was compared with the observed status using heat maps to assess how well the model fitted the observed spatial pattern.\n\nRESULTS: During the investigated period (2011-2013), an increase in annual herd prevalence was noted (2011-25.6%; 2012-28.4%; 2013-29.3%). The spatial analysis suggested significant clustering of positive and negative herds. Presence of streams, wetlands and pastures on farms showed a significant association with the presence of infection in cattle herds. Buying animals from positive herds was a risk factor on conventional farms. Additionally, risk of being infected with F. hepatica was higher in non-dairy herds of medium size (≥30 and 

U2 - 10.1186/s13071-015-0773-x

DO - 10.1186/s13071-015-0773-x

M3 - Journal article

C2 - 25888827

VL - 8

JO - Parasites & Vectors

JF - Parasites & Vectors

SN - 1756-3305

M1 - 160

ER -

ID: 144793144