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Molecular characterization of Cryptosporidium spp. in pre-weaned calves in Shaanxi Province, north-western China.
Qi, M Z; Fang, Y Q; Wang, X T; Zhang, L X; Wang, R J; Du, S Z; Guo, Y X; Jia, Y Q; Yao, L; Liu, Q D; Zhao, G H.
Afiliación
  • Qi MZ; College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi Province 712100, PR China.
  • Fang YQ; College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi Province 712100, PR China.
  • Wang XT; College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi Province 712100, PR China.
  • Zhang LX; College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou, Henan Province 450002, PR China.
  • Wang RJ; College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou, Henan Province 450002, PR China.
  • Du SZ; College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi Province 712100, PR China.
  • Guo YX; College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi Province 712100, PR China.
  • Jia YQ; College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi Province 712100, PR China.
  • Yao L; College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi Province 712100, PR China.
  • Liu QD; College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi Province 712100, PR China.
  • Zhao GH; College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi Province 712100, PR China.
J Med Microbiol ; 64(Pt 1): 111-116, 2015 Jan.
Article en En | MEDLINE | ID: mdl-25385243
Cryptosporidium, a worldwide protozoan parasite, is one of the most common causes of diarrhoea in humans and animals. The aim of the present study was to determine Cryptosporidium species/genotypes in pre-weaned calves in Shaanxi Province using PCR and sequencing based on the small subunit rRNA gene. A total of 258 faecal samples were collected from pre-weaned calves in 19 different farms from six areas in Shaanxi Province, north-western China. Cryptosporidium infection was detected in 14 of 19 farms (73.7 %), with a total prevalence of 20.2 % (52/258). Both dairy and Qinchuan (beef) cattle were found with Cryptosporidium infection. Three Cryptosporidium species, namely Cryptosporidium bovis (n = 26), Cryptosporidium andersoni (n = 14) and Cryptosporidium ryanae (n = 12), were detected in pre-weaned calves in Shaanxi Province, with C. bovis (in 12 farms) identified as the most common species on cattle farms. Two additional and previously unknown C. ryanae genotypes, CRTypes III and IV, were observed in the present study. However, the zoonotic species, Cryptosporidium parvum, was not detected in this study, which suggested a low zoonotic potential in Cryptosporidium-infected pre-weaned calves in this province.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Portador Sano / Criptosporidiosis / Cryptosporidium / Heces Tipo de estudio: Risk_factors_studies Límite: Animals País/Región como asunto: Asia Idioma: En Revista: J Med Microbiol Año: 2015 Tipo del documento: Article Pais de publicación: Reino Unido
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Portador Sano / Criptosporidiosis / Cryptosporidium / Heces Tipo de estudio: Risk_factors_studies Límite: Animals País/Región como asunto: Asia Idioma: En Revista: J Med Microbiol Año: 2015 Tipo del documento: Article Pais de publicación: Reino Unido