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題名 | The Relevance of Rainfall and Leptospiral Seropositive Rate in Regional Shelter Dogs in Yilan County, Taiwan=臺灣宜蘭動物收容中心犬隻鉤端螺旋體血清陽性率與雨量之相關性 |
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作者 | 陳煌元; 鄭穹翔; 潘銘正; 李建穀; Chen, Huang-yuan; Cheng, Chiung-hsiang; Pan, Ming-jeng; Lee, Jiann-gwu; |
期刊 | 臺灣獸醫學雜誌 |
出版日期 | 20140300 |
卷期 | 40B:S1 2014.03[民103.03] |
頁次 | 頁26-38 |
分類號 | 437.245 |
語文 | eng |
關鍵詞 | 鉤端螺旋體病; 流浪犬; 顯微凝集測試; 雨量; 臺灣; Leptospirosis; Dogs; Microscopic agglutination test; Rainfall; Taiwan; |
中文摘要 | 本研究以顯微凝集測試(Microscopic Aggulutination Test, MAT),自2011年11月起至2013年4月止,應 用8 種血清型,進行臺灣宜蘭縣動物收容中心,流浪犬隻鉤端螺旋體血清抗體之盛行率調查,共篩檢807 個血清樣 本。陽性犬隻為174頭(陽性率21.6%)。其中29頭(16.7%)為多重感染,總陽性血清反應數為218 (血清型陽性率 為27.0%,且其中57個反應(26.1%) 屬急性感染。各血清型之分布依序為Shermani 32.6% (71 / 218),Javanica 22.5% (49 / 218),Canicola 13.8% (30 / 218),Patoc 11.5% (25 / 218),Poi 7.8% (17 / 218),Icterohaemorrhagiae 4.1% (9 / 218),Pomona 4.1% (9 / 218) 及Kennewicki 3.7% (8 / 218)。陽性率之性別差異出現在:二月齡以上顯著 高於二月齡以下犬隻之間;二月齡以上公犬顯著地高於二月齡以下之公犬及所有母犬。所有血清型中,僅有Shermani 的急性感染率顯著地高於慢性。犬隻鉤端螺旋體急性感染率與3個月前的兩個月累積雨量有顯著地高度相關(r = 0.62, p< 0.05)。綜和以上,血清型Shermani 應可優先納為宜蘭地區鉤端螺旋體疫苗之菌株,而且監控兩個月累積雨量可 預警鉤端螺旋體感染之爆發。 |
英文摘要 | The aim of this study was to investigate the prevalence of the canine leptospirosis in shelter stray dogs in Yilan County in Taiwan during the period from Nov. 2011 to Feb. 2013 by using microscopic agglutination test (MAT). Of 807 dog screened for 8 leptospiral serovars, 174 (174/807, 21.6%) were tested positive. Among these dogs, 29 (29/174, 16.7%) were further determined to be multiple-infected. A total number of samples tested positive to all serovars was 218 which would, therefore, raise the seropositive rate up to 27.0% (218/807). By evaluating the titers of antibodies against Leptosira spp. of the positive samples, 48.2% (105/218) were considered to be at acute/current infectious stage. The distributions of each serovar were 32.6% (71/218), 22.5% (49/218), 13.8% (30/218), 11.5% (25/218), 7.8% (17/218), 4.1% (9/ 218) 4.1% (9/218), and 3.7% (8/218) for Shermani, Javanica, Canicola, Patoc, Poi, Icterohaemorrhagiae, Pomona and Kennewicki, respectively. Dogs of ages two months and older showed significant higher prevalence than puppies (less than two months old) (p=0.018). Positive rate of male dogs older than two months was significantly higher than that of male puppies and all female dogs (p=0.003 and p=0.025, respectively). Acute infection as well as Shermani infectious rates of puppies were significantly higher than those of older dogs (p=0.002 and p=9.97E-07). A significant correlation between the 2-months cumulative rainfall and the acute infectious rate three month later could also be noted (r=0.621, p<0.05). We concluded that serovar Shermani, which was with the highest prevalence found in shelter stray dogs, should be considered a candidate for vaccine in Yilan County, and the accumulation of the rainfall of two months could be used as an indicator of the prevalence of Leptospirosis in stray dogs in Taiwan. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。