Effect of Castration in Male Mice on Schistosoma mansoni

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Abstract
Summary A group of castrated male albino mice and an uncastrated control group were equally infected with Schistosoma mansoni. Nine weeks later the animals were sacrificed and the adult parasites collected, separated according to sex and counted. The mean adult parasite count per mouse, for each group, showed a significant reduction in the male schistosomes of the castrated animals. This difference indicates a relationship between male sex hormones and the male parasite.