Document Detail

Nationwide seroprevalence of Neospora caninum among dairy cattle in Japan.
MedLine Citation:
PMID:  16207513     Owner:  NLM     Status:  MEDLINE    
Serum samples from 2420 clinically healthy dairy cattle, randomly selected from stored sera in 18 districts of Japan, were tested for the presence of Neospora caninum antibodies using an indirect fluorescent antibody test (titer > or =1:200). Nationwide seroprevalence is estimated at 5.7% (139/2420). Seropositive cattle were detected in all surveyed districts despite the evidence of confirmed case reports of bovine neosporosis, showing that N. caninum is widely distributed throughout Japan. Age-specific seroprevalence did not increase with cattle age, suggesting that Neospora infection is likely to be transmitted vertically rather than horizontally in Japan. Considering that N. caninum seropositive cows are thought to be more likely to abort, substantial fetal losses may be induced by N. caninum infection in Japan. Devising strategies are needed to reduce the economic impact on the Japanese dairy industry. This is the first study to investigate the nationwide seroprevalence of N. caninum in cattle in Asia.
Masahiro Koiwai; Takafumi Hamaoka; Makoto Haritani; Shinya Shimizu; Yumie Zeniya; Mariko Eto; Rieko Yokoyama; Toshiyuki Tsutsui; Kumiko Kimura; Itsuro Yamane
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't     Date:  2005-10-03
Journal Detail:
Title:  Veterinary parasitology     Volume:  135     ISSN:  0304-4017     ISO Abbreviation:  Vet. Parasitol.     Publication Date:  2006 Jan 
Date Detail:
Created Date:  2005-12-27     Completed Date:  2006-09-12     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  7602745     Medline TA:  Vet Parasitol     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  175-9     Citation Subset:  IM    
Department of Diagnosis and Research, Animal Quarantine Service, Ministry of Agriculture, Forestry and Fisheries, Haramachi 11-1, Yokohama 235-0008, Japan.
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MeSH Terms
Age Distribution
Antibodies, Protozoan / blood*
Cattle Diseases / epidemiology*,  parasitology
Coccidiosis / epidemiology,  parasitology,  veterinary*
Fluorescent Antibody Technique, Indirect / veterinary
Japan / epidemiology
Neospora / immunology*,  isolation & purification
Seroepidemiologic Studies
Reg. No./Substance:
0/Antibodies, Protozoan

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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