Increase in cattle fascioliasis in coastal area of Thua Thien Hue Province, Vietnam and its association with irrigation system

Veterinary Science & Technology

ISSN: 2157-7579

Open Access

Increase in cattle fascioliasis in coastal area of Thua Thien Hue Province, Vietnam and its association with irrigation system

6th Global Veterinary Summit

November 14-16, 2016 Atlanta, USA

Nguyen Thi Nga, Yasunobu Matsumoto, Le Cong Thinh, Tran Quang Vui and Nguyen Thi Thuy

Univeristy of Tokyo, Japan
Hue University, Vietnam

Scientific Tracks Abstracts: J Vet Sci Technol

Abstract :

Fascioliasis is one of the most important zoonotic diseases in Vietnam. It has been reported that infected cattle are mainly observed in low hilly and plain areas where cattle grazing place is shared with paddy fields or water plants for human consumption and prevalence of Fasciola spp., infection in cattle are rare in sandy and salty coastal plain areas. However, recently, high prevalence of cattle fascioliasis was reported in coastal area in Thua Thien Hue Province, Vietnam. Irrigation system has been constructed in coastal area from plain area for expanding paddy field. In this study, in order to investigate the impact of the irrigation system to the expansion of cattle fascioliasis in coastal area, prevalence of cattle fascioliasis and infectivity of intermediate host snail with Fasciola spp., were compared in coastal area with or without well-established irrigation system. Total of 205 cattle fecal samples and 2573 intermediate host snails of Fasciola spp., were collected from 4 communes with well-established irrigation system connected with pure water from plain area (area A; communes, Quang Ngan, Sia Town, Vinh My and Quang Phuoc) and from 4 communes where irrigation systems are partially constructed but not functionally working (area B; communes, Phu Dien, Quang Cong, Vinh Thanh and Thuan An). Prevalence of Fasciola spp., in cattle from communes in area A was 41.3% (25.0-52.2%), which was extremely higher than the prevalence in cattle from area B that was 8% (2.0-15.4%). Infectivity of intermediate host snails, Lymnaea spp., from area A and area B were 9.8% (6.3-50.0%) and 3.4% (0-5.7%), respectively. Considering that cattle fascioliasis rare in coastal area before irrigation systems were introduced, these results suggested that Fasciola parasites are introduced to coastal plain area from endemic plain area through irrigation system. Interestingly, the density of intermediate host snails were not different between area A (29.6 snail/m2) and area B (32.5 snail/ m2), indicating the habitat for snails are not dependent on the irrigation system.

Biography :

Nguyen Thi Nga has completed her Doctor of Veterinary Medicine at Hue University of Agricultural and Forestry, Vietnam, Master of Science in the field of Animal Science at Graduate School of Agriculture and Life Science, The University of Tokyo, Japan. She is currently pursuing her PhD studying on establishment of the efficiency diagnosis method for early detecting cattle fascioliasis applicable for field research in Central Vietnam one of the hot spot of human fascioliasis in the world.


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