2Gebremedhin E Z, Agonafir A,Tessema T S, et al. Some risk factors for reproductive failures and contribution of Toxoplasma gondii infection in sheep and goats of Central Ethiopia: A cross-sectional study[J]. Res- earch in Veterinary Science, 2013,95 ( 3 ) : 894-900.
3Kouni M H.Adenosine metabolism in Toxoplasma gondii:potentialtargets for chemotherapy [J]. Current Pharmaceutical Design, 2007,13(6) :581-597.
4Chikweto A,Kumthekar S,Tiwari K,et aL Seroprevalence of Toxoplasma gorulii in pigs, sheep,goats, and cattle from Grenada and Carriacou, West Indies [ J ]. Journal of Parasitology, 2011,97( 5 ) : 950-951.
5Lopes A P,Dubey J P,NetD F,et al.Seroprevalence of Toxoplasma gondii infection in cattle,sheep,goats and pigs from the North of Portugal for human consumption [ J ]. Veterinary Parasitology, 2013,193 ( 1-3 ) : 266-269.
6Berger-Schoch A E, Bernet D, Doherr M G, et al. Toxoplasma gondii in Switzerland : A serosurvey based on meat juice analysis of slaughtered pigs,wild boar,sheep and cattle[J]. Zoonoses and Public Health,201 l, 58(7): 472-478.
7Hecker Y P, Moore D P, Manazza J A,et al.First report of seroprevalen- ce of Toxuplasrna gondii and Neospora eaninum in dairy sheep from Humid Pampa[J 1. Tropical Animal Health and Produetion, 2013,45 ( 7 ) : 1645 - 1647.
8Derakhshan M, Mousavi M. Serologieal survey of antibodies to Toxopla - sma gondii in eats, goats, and sheep in Kerman, Iran [ J ]. Comparative Clinical Pathology, 2014,23( 2 ) : 267-268.
9Anastasia D, Elias P, Nikolaos P, et al.Toxoplasma gondii and Neospora caninum seroprevalence in dairy sheep and goats mixed stk farming [ J ]. Veterinary Parasitology, 2013,198 ( 3 -4 ) : 387-390.
10Alvarado-Esquivel C, Garcia-Machado C, Alvarado-Esquivel D, et al. Seroprevalence of Toxoplasma gondii infection in domestic sheep in Durango State, Mexico [ J ]. Journal of Parasitology, 2012,98 (2) : 271- 273.