Glycogen Content in Moniliformis dubius (Acanthocephala)

Abstract
Glycogen has been quantitated in Moniliformis dubius from male and female rats. It was found that male worms contained more glycogen per unit weight than female worms. This was true regardless of the sex of the host. Worms recovered from female rats were smaller than worms in the male rats. Female worms, although smaller in the female rat, contained more glycogen per unit weight than female worms from male rats. A single sex infection consisting of only male worms was accidentally obtained in a group of male rats. These worms were larger and contained more glycogen than worms from the control infection. These results suggest that there are two independent phenomena affecting worm growth and metabolism. One is the interaction of male and female worms in a single infection. The other is the effect of the endocrine system of the host on worm development and metabolism.

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