Prevalence and first genotyping of Giardia duodenalis in beef calves in Vietnam

被引：14

作者：

Sam Thi Nguyen ^{[1
]}

Fukuda, Yasuhiro ^{[2
]}

Duc Tan Nguyen ^{[1
]}

Tada, Chika ^{[2
]}

Nakai, Yutaka ^{[2
]}

机构：

[1] Cent Vietnam Vet Inst, Dept Parasitol, Km4 Dongde St, Nhatrang, Vietnam

[2] Tohoku Univ, Grad Sch Agr Sci, Lab Sustainable Environm Biol, 232-3 Yomogida, Osaki, Miyagi 9896711, Japan

来源：

TROPICAL ANIMAL HEALTH AND PRODUCTION | 2016年 / 48卷 / 04期

关键词：

Giardia duodenalis; Calves; Prevalence; Genotyping; Vietnam; DAIRY-CATTLE; MOLECULAR CHARACTERIZATION; ZOONOTIC TRANSMISSION; CRYPTOSPORIDIUM SPP; ASSEMBLAGE-E; INFECTIONS; CANADA; CHINA;

D O I：

10.1007/s11250-016-1013-x

中图分类号：

S8 [畜牧、动物医学、狩猎、蚕、蜂];

学科分类号：

0905 ;

摘要：

Little information is available on the epidemiology of Giardia duodenalis in beef cattle from Vietnam. This study was performed to determine the prevalence and genotypes/assemblages of G. duodenalis in native beef calves younger than 6 months in the region. A total of 412 calf fecal samples, randomly selected from 99 small-scale farms located in DacLac and KhanhHoa provinces, central Vietnam, were screened for the presence of G. duodenalis cysts using the zinc-sulfate flotation method followed by iodine staining. The overall prevalence on the sample and herd levels were 13.8 % (57/412) and 42.4 % (42/99), respectively. Molecular analysis in the beta-giardin and triosephosphate isomerase genes demonstrated the presence of only G. duodenalis assemblage E in the animals. Since assemblage E has been rarely reported in humans, the zoonotic risk in beef calves in the region appears to be minimal.

引用

页码：837 / 841

页数：5

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