| characterization of toxoplasma gondii isolates in free-range chickens from argentina. | the prevalence of toxoplasma gondii in free-ranging chickens is a good indicator of the prevalence of t. gondii oocysts in the soil because chickens feed from the ground. the prevalence of t. gondii in 61 free-range chickens (gallus domesticus) from provinces of santiago del estero and entre rios, argentina was determined. antibodies to t. gondii were assayed by the modified agglutination test (mat) and were found in 25 chickens; titers were 1:5 in 6 chickens, 1:10 in 1 chicken, 1:20 in 2 chicke ... | 2005 | 16539014 |