relation between trichomonas vaginalis and contraceptive measures

Trichomonas vaginalis was isolated from 4% of cases after one month of using contraceptive pills. The incidence increased to 36% after 3 months and 58% after 6 months. Using intrauterine contraceptive devices [IUDS], T. vaginalis was isolated from 4% of cases after one month and 6% after 6 months. Cultural method proved to be more valuable than microscopic examination

Effect of ultra-violet irradiation on the ocystic zygotes of eimeria stiedae

Irradiation proved to be lethal to the zygotes as indicated by failure of maturation of irradiated oocysts on subsequent culturing in potassium dichromate solution. Prolonged irradiation led to apparent degenerative changes which involved the zygote as well as the cyst wall