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The Scientific World Journal
Volume 2014, Article ID 347908, 4 pages
http://dx.doi.org/10.1155/2014/347908
Research Article

Seroprevalence of Toxoplasma gondii Infection in Sows in Hunan Province, China

1State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, Gansu 730046, China
2College of Animal Science and Technology, Anhui Agricultural University, Hefei, Anhui 230036, China
3College of Veterinary Medicine, Hunan Agricultural University, Changsha, Hunan 410128, China
4College of Animal Science and Technology, Jilin Agriculture University, Changchun, Jilin 130118, China

Received 18 November 2013; Accepted 2 January 2014; Published 6 February 2014

Academic Editors: G. Hide, F. Monroy, and L. Xiao

Copyright © 2014 Ying Xu et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Toxoplasma gondii infections are prevalent in animals and humans worldwide. Although the prevalence of T. gondii has been reported in many animals in China, little is known of T. gondii infection in sows. Antibodies to T. gondii in sows in Hunan province, subtropical China, were examined using indirect hemagglutination test (IHAT). Overall, 31.3% (373/1191) of the examined sows were seropositive for T. gondii. Among 11 representative regions of Hunan province, the seroprevalence ranged from 14.8% to 45.1%. In addition, the T. gondii seroprevalence was higher in summer (37.4%) and autumn (34.9%) than in spring (24.6%) and winter (23.9%). Regarding different antibody titers, the seroprevalence ranged from 1.8% (titer ≥ 1 : 1024) to 17.4% (titer = 1 : 64). The findings of the present investigation revealed the high seroprevalence of T. gondii in sows in Hunan province, China, which poses a potential risk for T. gondii infection in humans and animals in this province. Therefore, effective measures should be taken to prevent and control toxoplasmosis of pigs in this province. This is the first report of the comprehensive survey of T. gondii seroprevalence in sows in Hunan Province, subtropical China.