Veterinary and medical aspects of abortion in Danish sheep

APMIS : Acta Pathologica, Microbiologica, Et Immunologica Scandinavica
Jørgen S AgerholmDavid Buxton

Abstract

The Danish sheep population totals around 144,000 animals, but little is known of the causes and prevalance of diseases. This study focuses on the causes of abortion in Danish sheep. During one breeding season, aborted foetuses and stillbirths with signs of intrauterine death or malformation were submitted for laboratory examination from a population of 3,758 breeding ewes. Samples from 24 incidents of abortion and 21 ewes delivering malformed lambs or lambs with ante partum decomposition were submitted. A specific aetiology was established in 66.7% and 14.3% of the cases, respectively. Bacterial pathogens were the most prevalent cause of abortion. Several of the abortifacients were zoonotic microorganisms, for example Listeria monocytogenes, Campylobacter fetus subsp. fetus, Yersinia pseudotuberculosis and Toxoplasma gondii. The identified microorganisms probably represent the most common causes of abortion in Danish sheep but occurrence in Denmark of other pathogens such as Coxiella burnetii and Chlamydophila abortus cannot be excluded. Due to the high prevalence of zoonotic microorganisms, precautions must be taken in handling abortions or assisting lambing, especially for pregnant women.

References

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Citations

Mar 12, 2013·International Journal of Food Microbiology·K A ScanlonG Duffy
Feb 28, 2016·Molecular and Cellular Probes·Mohamed BarkallahImen Fendri
Apr 3, 2007·Journal of Comparative Pathology·J S AgerholmB Aalbaek
Apr 5, 2008·Zoonoses and Public Health·C McCaugheyL J Murray
May 17, 2007·APMIS : Acta Pathologica, Microbiologica, Et Immunologica Scandinavica·Tim K JensenMette Boye
Oct 18, 2008·Journal of Medical Microbiology·Tidhar Zan BarBenjamin Bartoov
Sep 16, 2014·Reproduction in Domestic Animals = Zuchthygiene·J S Agerholm, J P Dubey
Sep 24, 2014·International Journal of Infectious Diseases : IJID : Official Publication of the International Society for Infectious Diseases·Bjørn KantsøStine Yde Nielsen
Oct 17, 2009·Clinical Microbiology and Infection : the Official Publication of the European Society of Clinical Microbiology and Infectious Diseases·E BosnjakH Nielsen
Nov 20, 2016·Annual Review of Animal Biosciences·Orhan SahinQijing Zhang

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