Table 4: In vivo efficacy and observation at time of sacrifice.

Compd. Lungs Spleen Other remarks Control +++ 6 enlarged; 1 very large 2 with enlarged lymph nodes INH + 1 slightly enlarged; 4 normal n/a 2l (306019) ++ 1 enlarged; 4 slightly enlarged Large intestine distended full of feces and air 1g (306027) + 1 slightly enlarged; 4 normal Large intestine distended full of feces and air PH-27 (306006) + normal Large intestine distended full of feces and air

+++; highly infected. ++/+; hardly any infected. n/a; not applicable.