Comparison of Schistosoma japonicum development between single sexual infection and double sexual infection in mice and rabbits

Zhongguo xue xi chong bing fang zhi za zhi = Chinese journal of schistosomiasis control
Yang Pei-CaiZhou Wei

Abstract

To observe the development of Schistosoma japonicum after single sexual infection and double sexual infection respectively. A single Oncomelania hupensis snail was infected by a single schistosome miracidium. The larva were induced and released from the snail after 60-day incubation at 26 ℃. The mice were infected by the larva (single sexual infection) and dissected 40 days after the infection. All the worms were collected and the sex of the larvae was determined by the sex of the adult worms. Then, the mice and rabbits were infected by single sex of larvae (single sexual infection) and double sex of larvae (double sexual infection) respectively. The mice and the rabbits were dissected 40 days after the infection. All the worms were collected and measured under a microscope. All the male or female worms were collected from the mice and rabbits after single sexual infection. There were three main forms of worms after dissection of double sexual infection of mice and rabbits: folded mature male and female, male or female. Few folded male and immature female were found. Only the double sexual larva infected mice or rabbits had schistosome eggs in the liver and the liver had typical schistosome egg nodules. The single sexual larva ...Continue Reading

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