Survey of nine abortifacient infectious agents in aborted bovine fetuses from dairy farms in Beijing, China, by PCR

Na Yang; Xia Cui; Weifeng Qian; Shanshan Yu; Qun Liu

doi:10.1556/avet.2012.007

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Acta Veterinaria Hungarica

Volume/Issue:: Volume 60: Issue 1

Survey of nine abortifacient infectious agents in aborted bovine fetuses from dairy farms in Beijing, China, by PCR

Authors:

Na Yang

Na Yang China Agricultural University Key Laboratory of Zoonoses of the Ministry of Agriculture and National Animal Protozoa Laboratory, College of Veterinary Medicine Beijing 100193 People’s Republic of China

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Xia Cui

Xia Cui China Agricultural University Key Laboratory of Zoonoses of the Ministry of Agriculture and National Animal Protozoa Laboratory, College of Veterinary Medicine Beijing 100193 People’s Republic of China

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Weifeng Qian

Weifeng Qian China Agricultural University Key Laboratory of Zoonoses of the Ministry of Agriculture and National Animal Protozoa Laboratory, College of Veterinary Medicine Beijing 100193 People’s Republic of China

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Shanshan Yu

Shanshan Yu China Agricultural University Key Laboratory of Zoonoses of the Ministry of Agriculture and National Animal Protozoa Laboratory, College of Veterinary Medicine Beijing 100193 People’s Republic of China

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, and

Qun Liu

Qun Liu China Agricultural University Key Laboratory of Zoonoses of the Ministry of Agriculture and National Animal Protozoa Laboratory, College of Veterinary Medicine Beijing 100193 People’s Republic of China

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Pages:: 83–92

Online Publication Date:: 25 Feb 2012

Publication Date:: 01 Mar 2012

Article Category:: Journal Article

DOI:: https://doi.org/10.1556/avet.2012.007

Keywords:: Aborted fetus; cattle; detection; infectious agents; PCR

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Abortion in dairy cattle causes considerable economic losses to the dairy industry. Aborted fetuses and samples from the corresponding aborting dams from 12 dairy herds in Beijing were tested for 9 abortifacient infectious pathogens by PCR between 2008 and 2010. From a total of 80 abortion cases collected during this period, infectious agents were detected in 45 (56.3%) cases, 22 (48.9%) of which represented co-infections with two or three infectious agents. The detected pathogens included infectious bovine rhinotracheitis virus (36.3%) and Neospora caninum (31.3%), followed by bovine viral diarrhoea virus (7.5%), Brucella abortus (6.3%), Tritrichomonas foetus (5%) and Toxoplasma gondii (1.3%). Campylobacter fetus, Coxiella burnetii and Chlamydophila psittaci were not detected in any abortion case. Findings from this study indicated that infectious bovine rhinotracheitis virus and Neospora caninum were the main potential causes of abortions in Beijing dairy herds, whereas the bacterial pathogens were not, in contrast to reports from other countries. This is the first study to test nine abortifacient infectious agents by PCR at the same time, and it is also the first time to report the involvement of a variety of infectious agents in bovine abortion cases in China.

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Acta Veterinaria Hungarica

Print ISSN:: 0236-6290

Online ISSN:: 1588-2705

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Mária BENKŐ (Acta Veterinaria Hungarica, Budapest, Hungary)
Gábor BODÓ (University of Veterinary Medicine, Budapest, Hungary)
Béla DÉNES (University of Veterinary Medicine, Budapest Hungary)
Edit ESZTERBAUER (Veterinary Medical Research Institute, Budapest, Hungary)
Hedvig FÉBEL (University of Veterinary Medicine, Budapest, Hungary)
László FODOR (University of Veterinary Medicine, Budapest, Hungary)
János GÁL (University of Veterinary Medicine, Budapest, Hungary)
Balázs HARRACH (Veterinary Medical Research Institute, Budapest, Hungary)
Peter MASSÁNYI (Slovak University of Agriculture in Nitra, Nitra, Slovak Republic)
Béla NAGY (Veterinary Medical Research Institute, Budapest, Hungary)
Tibor NÉMETH (University of Veterinary Medicine, Budapest, Hungary)
Zsuzsanna NEOGRÁDY (University of Veterinary Medicine, Budapest, Hungary)
Dušan PALIĆ (Ludwig Maximilian University, Munich, Germany)
Alessandra PELAGALLI (University of Naples Federico II, Naples, Italy)
Kurt PFISTER (Ludwig-Maximilians-University of Munich, Munich, Germany)
László SOLTI (University of Veterinary Medicine, Budapest, Hungary)
József SZABÓ (University of Veterinary Medicine, Budapest, Hungary)
Péter VAJDOVICH (University of Veterinary Medicine, Budapest, Hungary)
János VARGA (University of Veterinary Medicine, Budapest, Hungary)
Štefan VILČEK (University of Veterinary Medicine in Kosice, Kosice, Slovak Republic)
Károly VÖRÖS (University of Veterinary Medicine, Budapest, Hungary)
Herbert WEISSENBÖCK (University of Veterinary Medicine, Vienna, Austria)
Attila ZSARNOVSZKY (Szent István University, Gödöllő, Hungary)

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Acta Veterinaria Hungarica
Language	English
Size	A4
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