感染鸡疟原虫的白洛克鸡,灌服硝喹2mg/kg3小时后,其血内配子体虽仍能在白纹伊蚊体内发育成动合子,但95％以上的动合子不能穿过围食膜,最后死于胃腔内。那些幸而能移行到胃壁基底层并形成卵囊者,不能进行DNA复制,其DNA量始终停留在正常48小时卵囊的水平。最后卵囊变性,或被吸收,仅留下疟色素,或变为黑孢子。 White herd chickens infected with Plasmodium falciparum, irrigating with 3 mg / kg of iripesequine 3 hours later, although its gametophyte still can develop into zygotes in Aedes albopictus, more than 95% of the zygotes can not pass through the peritrophic membrane , Finally died in the stomach cavity. Those who are fortunate enough to migrate to the floor of the stomach wall and the formation of oocysts who can not carry out DNA replication, the amount of DNA remained at the level of normal 48 hours oocysts. The final oocysts degeneration, or be absorbed, leaving only malaria pigment, or become black spores.