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  • Title: Repeated infections of Brugia pahangi in the jird, Meriones unguiculatus.
    Author: Kowalski JC, Ash LR.
    Journal: Southeast Asian J Trop Med Public Health; 1975 Jun; 6(2):195-8. PubMed ID: 1166345.
    Abstract:
    Male jirds, Meriones unguiculatus, were subcutaneously inoculated in the groin with 1 to 5 doses of infective-stage larvae of Brugia pahangi at weekly or monthly intervals. When a dose of either 25 or 75 larvae or 4 weekly doses of 25 larvae were given, 15-16% of the larvae were recovered as adults approximately 4 to 7 months post inoculation. Only 8-10% of the larvae were recovered if 4 weekly or 5 monthly doses of 75 larvae each were given. After an inoculation of 75 larvae, 25% of the worms were recovered at 30 days. The 30 day-old population consisted of an average of 10 female and 8.8 male worms. Jirds previously inoculated with 4 weekly or 5 monthly doses were challenged with an additional 75 larvae 30 days prior to necropsy. An average of only 4.5 thirty day-old female worms were recovered in these cases, presenting a 55% decrease as compared to the single inoculation situation. There was some decrease in the mean length of female worms in multiply-inoculated jirds, but no difference in the mean lengths of the male worm population from singly or multiply-inoculated jirds was observed. No differences in prepatent periods or in patterns of microfilaraemia were observed in singly or multiply-inoculated jirds.
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