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Parasitology Research

, Volume 115, Issue 8, pp 3267–3273 | Cite as

Occurrence and first multilocus microsatellite genotyping of Neospora caninum from naturally infected dogs in dairy farms in Henan, Central China

  • Weifeng QianEmail author
  • Tianqi Wang
  • Wenchao Yan
  • Lifang Han
  • Kai Zhai
  • Baoqing Duan
  • Chaochao Lv
Short Communication

Abstract

Neospora caninum is one of the important causes of abortion in dairy cattle worldwide. The dog is known as a definitive host of N. caninum and can transmit the parasite to cattle by shedding oocysts. The aim of the present study is to detect the presence of N. caninum in feces of dairy farm dogs and determine the genetic characteristics of N. caninum in Central China. A total of 78 fecal samples were collected from dogs in dairy farms from May to November 2014 and examined by microscopy and nested PCR based on Nc5 gene. Neospora-like oocysts were microscopically detected in two fecal samples, of which only one (Nc-LY1) was confirmed to be N. caninum by nested PCR. Seven out of 78 fecal samples (9.0 %) were N. caninum DNA positive, of which Neospora-like oocysts were simultaneously microscopically detected only in one sample (Nc-LY1). No statistical associations were found between the positive rates and age or sex of dogs (P > 0.05). The N. caninum-positive DNA samples were further analyzed by multilocus microsatellite (MS) genotyping for MS4, MS5, MS6A, MS7, MS8, MS10, MS12, and Cont-14. Only the fecal sample in which oocysts were detected was successfully genotyped at all genetic loci, and a new genotype was identified. To our knowledge, this study is the first report of genetic characterization of N. caninum isolates from naturally infected dogs based on multilocus microsatellites in China.

Keywords

Neospora caninum Dog Oocyst Genotype Multilocus microsatellites 

Notes

Acknowledgements

This study was supported by the High-level Talents Fund from Henan University of Science and Technology, China (Grant No. 09001675).

Compliance with ethical standards

Conflict of interest

The authors declare that they have no competing interests.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2016

Authors and Affiliations

  • Weifeng Qian
    • 1
    Email author
  • Tianqi Wang
    • 1
  • Wenchao Yan
    • 1
  • Lifang Han
    • 1
  • Kai Zhai
    • 1
  • Baoqing Duan
    • 1
  • Chaochao Lv
    • 2
  1. 1.College of Animal Science and TechnologyHenan University of Science and TechnologyLuoyangChina
  2. 2.Pulike Biological Engineering Co., Ltd.LuoyangChina

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