Prevalence, Associated Risk Factors, and Phylogenetic Analysis of Toxocara vitulorum Infection in Yaks on the Qinghai Tibetan Plateau, China

Kun Li; Yanfang Lan; Houqiang Luo; Hui Zhang; Dongyu Liu; Lihong Zhang; Rui Gui; Lei Wang; Muhammad Shahzad; Suolang Sizhu; Jiakui Li; Yangzom Chamba

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자료유형: 학술저널

저자정보: Kun Li (Huazhong Agricultural University) Yanfang Lan (Huazhong Agricultural University) Houqiang Luo (Huazhong Agricultural University) Hui Zhang (Huazhong Agricultural University) Dongyu Liu (Huazhong Agricultural University) Lihong Zhang (Huazhong Agricultural University) Rui Gui (Huazhong Agricultural University) Lei Wang (Huazhong Agricultural University) Muhammad Shahzad (The Islamia University of Bahawalpur) Suolang Sizhu (Tibet Agriculture and Animal Husbandry College) Jiakui Li (Huazhong Agricultural University) Yangzom Chamba (Tibet Agriculture and Animal Husbandry College)

저널정보: 대한기생충학열대의학회 Parasites, Hosts and Diseases The Korean Journal of Parasitology Vol.54 No.5

발행연도: 2016.10

수록면: 645 - 652 (8page)

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Toxocara vitulorum has been rarely reported in yaks at high altitudes and remote areas of Sichuan Province of Tibetan Plateau of China. The current study was designed to investigate the prevalence, associated risk factors, and phylogenetic characteristics of T. vitulorum in yak calves on the Qinghai Tibetan plateau. Fecal samples were collected from 891 yak calves and were examined for the presence of T. vitulorum eggs by the McMaster technique. A multivariable logistic regression model was employed to explore variables potentially associated with exposure to T. vitulorum infection. T. vitulorum specimens were collected from the feces of yaks in Hongyuan of Sichuan Province, China. DNA was extracted from ascaris. After PCR amplification, the sequencing of ND1 gene was carried out and phylogenetic analyses was performed by MEGA 6.0 software. The results showed that 64 (20.1%; 95% CI 15.8-24.9%), 75 (17.2; 13.8-21.1), 29 (40.9; 29.3-53.2), and 5 (7.6; 2.5-16.8) yak calves were detected out to excrete T. vitulorum eggs in yak calve feces in Qinghai, Tibet, Sichuan, and Gansu, respectively. The present study revealed that high infection and mortality by T. vitulorum is wildly spread on the Qinghai Tibetan plateau, China by fecal examination. Geographical origin, ages, and fecal consistencies are the risk factors associated with T. vitulorum prevalence by logistic regression analysis. Molecular detection and phylogenetic analysis of ND1 gene of T. vitulorum indicated that T. vitulorum in the yak calves on the Qinghai Tibetan plateau are homologous to preveiously studies reported.

#Toxocara vitulorum #prevalence #risk factor #yak #ND1 #Qinghai Tibetan plateau

참고문헌 (17)

참고문헌 신청

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[학술지(정기간행물)] - Pierre Dorny / 2015 / Prevalence and Associated Risk Factors of Toxocara vitulorum Infections in Buffalo and Cattle Calves in Three Provinces of Central Cambodia / The Korean Journal of Parasitology 53 (2) : 197 ~ 200

[학술지(정기간행물)] - Borgsteede FH / 2012 / Toxocara vitulorum in suckling calves in the Netherlands / Res Vet Sci 92 : 254 ~ 256

[학술지(정기간행물)] - Ferreira FP / 2005 / Detection of antibody to Toxocara vitulorum perienteric fluid antigens(Pe)in the colostrum and serum of buffalo calves and cows by Western blotting / Vet Parasitol 129 : 119 ~ 124

[학술지(정기간행물)] - Rast L / 2014 / Why are simple control options for Toxocara vitulorum not being implemented by cattle and buffalo smallholder farmers in South-East Asia? / Prev Vet Med 113 : 211 ~ 218

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