以色列犬贾第虫的流行情况和分子特征。
Prevalence and molecular characterization of Giardia duodenalis in dogs in Israel.
机构信息
Koret School of Veterinary Medicine, Hebrew University of Jerusalem, P.O. Box 12, 7610001 Rehovot, Israel.
Koret School of Veterinary Medicine, Hebrew University of Jerusalem, P.O. Box 12, 7610001 Rehovot, Israel.
出版信息
Comp Immunol Microbiol Infect Dis. 2020 Dec;73:101548. doi: 10.1016/j.cimid.2020.101548. Epub 2020 Sep 7.
Three hundred and two stool samples were collected from municipal shelters and owned dogs in different geographical locations in Israel from December 2016 to September 2017 and examined for Giardia and assemblage type by PCR targeting the 18S rRNA and β-giardin genes. Overall Giardia prevalence was 24.5 % (74/30). Giardia prevalence was 1.9-fold higher in dogs ≤ 6 months old compared to > 6 ≤ 12 months old and older dogs [25/61 (41 %), 18/73 (24.6 %) and 31/166 (18.7 %), respectively, (p = 0.001)], 2.3-fold higher in winter [32/90 (35.5 %)] compared to its prevalence during autumn [15/60 (25 %)], spring [10/62 (16.1 %)] and summer [17/89 (19.1 %), p = 0.003)], and 2.7-fold more frequent among diarrheic dogs [23/43 (53.4 %)] compared to those with formed stools [51/253 (20.1 %)], (p = 0.001)]. The Giardia sp. assemblages detected were C and D. Higher infection rates in young, diarrheic dogs, sampled during winter, and housed in municipal shelters, indicates the need for targeted preventive measures.
从 2016 年 12 月至 2017 年 9 月，在以色列不同地理位置的市政收容所和自有犬只中收集了 302 份粪便样本，并通过针对 18S rRNA 和β-微管蛋白基因的 PCR 检测贾第虫和聚集型。总体贾第虫感染率为 24.5%（74/302）。≤6 个月大的犬只的贾第虫感染率是>6≤12 个月大及以上犬只的 1.9 倍[25/61（41%）、18/73（24.6%）和 31/166（18.7%），（p=0.001）]，冬季[32/90（35.5%）]的感染率是秋季[15/60（25%）]的 2.3 倍，春季[10/62（16.1%）]的 2.3 倍，夏季[17/89（19.1%）]的 2.3 倍，（p=0.003）]，腹泻犬只[23/43（53.4%）]的感染率是成形便犬只[51/253（20.1%）]的 2.7 倍，（p=0.001）。检测到的贾第虫聚集型为 C 和 D。在冬季、年轻、腹泻、收容所犬只中，贾第虫感染率较高，表明需要采取有针对性的预防措施。
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