Abstract
Reproductive performances of female hamsters were investigated during Ancylostoma ceylanicum (hookworm) infection. Animals having the highest levels of infection (34.96 ± 1.11 worms) showed degenerative changes in the reproductive system. Ovaries of infected animals contained a few primary or secondary follicles. On cocaging with males of proven fertility, only 7–8% (80% in controls) of the infected females mated but did not conceive as evidenced by the absence of corpora lutea or implantation sites on day 10 postcoitum. Animals with low worm burdens (5.94 ± 0.65 worms), however, showed almost normal fertility. The uterine weight bioassay and compensatory ovarian hypertrophy suggest strong suppression of pituitary gonadotrophin contents in infected females. Resorptive effects on the pregnancy outcome of infected female hamsters were also recorded.
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