Prevalence and genotypes of Giardia duodenalis in dairy and beef cattle in farms around Charlottetown, Prince Edward Island, Canada

被引：0

作者：

Uehlinger, Fabienne D. ^{[1
]}

Greenwood, Spencer J. ^{[2
,3
]}

O'Handley, Ryan ^{[4
]}

McClure, J. Trenton ^{[1
]}

Coklin, Tatjana ^{[5
]}

Dixon, Brent R. ^{[6
]}

de Boer, Melvin ^{[7
]}

Zwiers, Hester

Barkema, Herman W. ^{[8
,9
]}

机构：

[1] Univ Prince Edward Isl, Dept Hlth Management, Charlottetown, PE C1A 4P3, Canada

[2] Univ Prince Edward Isl, Dept Pathol & Microbiol, Charlottetown, PE C1A 4P3, Canada

[3] Univ Prince Edward Isl, AVC Lobster Sci Ctr, Atlantic Vet Coll, Charlottetown, PE C1A 4P3, Canada

[4] Univ Adelaide, Sch Anim & Vet Sci, Roseworthy, SA 5371, Australia

[5] Canadian Food Inspect Agcy, Meat Program Div, Agrifood Meat & Seafood Safety Directorate, Ottawa, ON K1A 0Y9, Canada

[6] Hlth Canada, Microbiol Res Div, Bur Microbial Hazards,Banting Res Ctr, Food Directorate,Hlth Prod & Food Branch, Ottawa, ON K1A 0K9, Canada

[7] Pk Vet Grp, Whetstone, Leics, England

[8] Univ Calgary, Dept Prod Anim Hlth, Fac Vet Med, Calgary, AB T2N 4N1, Canada

[9] Univ Calgary, Dept Prod Anim Hlth, Fac Med, Calgary, AB T2N 4N1, Canada

来源：

CANADIAN VETERINARY JOURNAL-REVUE VETERINAIRE CANADIENNE | 2011年 / 52卷 / 09期

关键词：

CRYPTOSPORIDIUM SPP; MOLECULAR CHARACTERIZATION; FENBENDAZOLE TREATMENT; CYST EXCRETION; CALVES; INFECTIONS; EPIDEMIOLOGY; ANIMALS; ONTARIO; HUMANS;

D O I：

暂无

中图分类号：

S85 [动物医学（兽医学）];

学科分类号：

0906 ;

摘要：

Prevalence of Giardia duodenalis in dairy and beef cattle on farms around Charlottetown, Prince Edward Island (Canada) was determined by analyzing feces using direct immunofluorescence antibody microscopy. Genotypes were determined by 16S-rRNA sequencing. Fecal samples (n = 892) were collected from adult cattle in dairy tie-stall, dairy free-stall, and beef herds (10 herds each), and from calves (n = 183) from 11 dairy farms. Prevalence rates were 38% and 51% in cows and calves, respectively. Giardia duodenalis was present in all dairy herds, in 9/10 beef herds and in calves from 10/11 herds examined. Prevalence rates were 40% and 41% for cows in tie- and free-stall herds, respectively, and 27% for beef cows. Zoonotic Assemblage A was found in 12.2% of calves concomitantly infected with Assemblage E. All successfully sequenced samples (114/128) from cows corresponded to Assemblage E. Giardia duodenalis is highly prevalent in cattle herds in Prince Edward Island and Assemblage A in calves is a potential public health concern.

引用

页码：967 / 972

页数：6

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