Coxiella burnetti associated placental lesions and infection level in parturient cows

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Coxiella burnetti associated placental lesions and infection level in parturient cows. / Hansen, Mette Sif; Rodolakis, Annie; Cochonneau, Denis; Agger, Jens Frederik Gramstrup; Christoffersen, Anna-Bodil; Jensen, Tim Kåre; Agerholm, Jørgen Steen.

I: The Veterinary Journal, Bind 190, Nr. 2, 2011, s. e135-e139.

Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt

Harvard

Hansen, MS, Rodolakis, A, Cochonneau, D, Agger, JFG, Christoffersen, A-B, Jensen, TK & Agerholm, JS 2011, 'Coxiella burnetti associated placental lesions and infection level in parturient cows', The Veterinary Journal, bind 190, nr. 2, s. e135-e139. https://doi.org/10.1016/j.tvjl.2010.12.021

APA

Hansen, M. S., Rodolakis, A., Cochonneau, D., Agger, J. F. G., Christoffersen, A-B., Jensen, T. K., & Agerholm, J. S. (2011). Coxiella burnetti associated placental lesions and infection level in parturient cows. The Veterinary Journal, 190(2), e135-e139. https://doi.org/10.1016/j.tvjl.2010.12.021

Vancouver

Hansen MS, Rodolakis A, Cochonneau D, Agger JFG, Christoffersen A-B, Jensen TK o.a. Coxiella burnetti associated placental lesions and infection level in parturient cows. The Veterinary Journal. 2011;190(2):e135-e139. https://doi.org/10.1016/j.tvjl.2010.12.021

Author

Hansen, Mette Sif ; Rodolakis, Annie ; Cochonneau, Denis ; Agger, Jens Frederik Gramstrup ; Christoffersen, Anna-Bodil ; Jensen, Tim Kåre ; Agerholm, Jørgen Steen. / Coxiella burnetti associated placental lesions and infection level in parturient cows. I: The Veterinary Journal. 2011 ; Bind 190, Nr. 2. s. e135-e139.

Bibtex

@article{2187ce8334574c909b472a5ccd053246,
title = "Coxiella burnetti associated placental lesions and infection level in parturient cows",
abstract = "Cotyledons (n=170) from dairy cattle were analysed for Coxiella burnetii by real-time (rt) PCR targeting the IS1111a and icd genes. Positive cases (n=90) and a random selection of negative cases (n=20) were examined by histology, immunohistochemistry and, if infection level was high, by fluorescence in situ hybridisation. PCR results were compared to bulk tank milk (BTM) antibody levels.Placental infection was detected in cows from herds at all BTM antibody levels. However the likelihood of placental infection was generally higher in herds with intermediate or high BMT antibody levels than in herds with low antibody levels. Histological examination revealed a range of mostly mild cotyledonary changes; C. burnetii infection was only rarely associated with inflammation. This may explain why bovine Q fever is usually not clinically apparent. Nevertheless, infected cattle will shed C. burnetii at calving and this can occur even in herds without BTM antibodies.",
author = "Hansen, {Mette Sif} and Annie Rodolakis and Denis Cochonneau and Agger, {Jens Frederik Gramstrup} and Anna-Bodil Christoffersen and Jensen, {Tim K{\aa}re} and Agerholm, {J{\o}rgen Steen}",
year = "2011",
doi = "10.1016/j.tvjl.2010.12.021",
language = "English",
volume = "190",
pages = "e135--e139",
journal = "The Veterinary Journal",
issn = "1090-0233",
publisher = "Elsevier",
number = "2",

}

RIS

TY - JOUR

T1 - Coxiella burnetti associated placental lesions and infection level in parturient cows

AU - Hansen, Mette Sif

AU - Rodolakis, Annie

AU - Cochonneau, Denis

AU - Agger, Jens Frederik Gramstrup

AU - Christoffersen, Anna-Bodil

AU - Jensen, Tim Kåre

AU - Agerholm, Jørgen Steen

PY - 2011

Y1 - 2011

N2 - Cotyledons (n=170) from dairy cattle were analysed for Coxiella burnetii by real-time (rt) PCR targeting the IS1111a and icd genes. Positive cases (n=90) and a random selection of negative cases (n=20) were examined by histology, immunohistochemistry and, if infection level was high, by fluorescence in situ hybridisation. PCR results were compared to bulk tank milk (BTM) antibody levels.Placental infection was detected in cows from herds at all BTM antibody levels. However the likelihood of placental infection was generally higher in herds with intermediate or high BMT antibody levels than in herds with low antibody levels. Histological examination revealed a range of mostly mild cotyledonary changes; C. burnetii infection was only rarely associated with inflammation. This may explain why bovine Q fever is usually not clinically apparent. Nevertheless, infected cattle will shed C. burnetii at calving and this can occur even in herds without BTM antibodies.

AB - Cotyledons (n=170) from dairy cattle were analysed for Coxiella burnetii by real-time (rt) PCR targeting the IS1111a and icd genes. Positive cases (n=90) and a random selection of negative cases (n=20) were examined by histology, immunohistochemistry and, if infection level was high, by fluorescence in situ hybridisation. PCR results were compared to bulk tank milk (BTM) antibody levels.Placental infection was detected in cows from herds at all BTM antibody levels. However the likelihood of placental infection was generally higher in herds with intermediate or high BMT antibody levels than in herds with low antibody levels. Histological examination revealed a range of mostly mild cotyledonary changes; C. burnetii infection was only rarely associated with inflammation. This may explain why bovine Q fever is usually not clinically apparent. Nevertheless, infected cattle will shed C. burnetii at calving and this can occur even in herds without BTM antibodies.

U2 - 10.1016/j.tvjl.2010.12.021

DO - 10.1016/j.tvjl.2010.12.021

M3 - Journal article

VL - 190

SP - e135-e139

JO - The Veterinary Journal

JF - The Veterinary Journal

SN - 1090-0233

IS - 2

ER -

ID: 36076230