Fig. 3From: Toxoplasma gondii oocyst-driven infection in pigs, chickens and humans in northeastern ChinaDetection of anti-T. gondii antibodies in serum samples of free-range pigs using different antigens. a The porcine serum samples were tested by GRA7-, OWP8-, and CCp5A- ELISA, The dashed line indicates the cut off of the reactions. b Positivity was evaluated using GRA7-, OWP8-, and CCp5A-ELISAs in serum samples from free range pigs (nā=ā90)Back to article page