Toxoplasmosis is a causative agent for zoonotic disease responsible for a wide variety of infections in animal and humans. Toxoplasma gondii has the ability of eroding neurons in brain, which lead to a chronic, hidden or latent infection in brain. Susceptivity is varied in different animal, as well as the symptom and sequel of the infection. A suitable animal model is a key point in researches. It has great value to established chronic infected animal model is important in research about diagnosis, vaccine ...