Epidemiological Investigation of Swine Toxoplasmamosis in Chongqing
To learn the epidemiolgical situation of swine toxoplasmosis in the pig herds in Chongqing,11 700 serum samples collected from 39 counties and districts were tested for Toxoplasma antibodies through ELISA from 2004 to 2011.The result showed that the average positive rate is 75.95%(8 886/11 700).According to different sample sources,the positive rates from high to low were backyard farm,breeding pig farm,intensive pig farm and slaughter house.This large-scale investigation indicated that the swine in Chongqing has a high risk of Toxoplasma infection,and the correspongding prevention and control methods should be strengthened to protect pig industry as well as the health of human being.