Bulgarian Journal of Agricultural Science
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ON TAENIA HYDATIGENA (PALLAS, 1766) BIOLOGICAL CHARACTERISTICS, IMPORTANT FOR THE TENUICOL CYSTICERCOSIS EPIZOOTOLOGY
K. Kanchev
Abstract: Medium and high experimental infestation with the species Taenia hydatigena was carried out on dogs. The duration of the parasite prepatent period was measured for both infestations. The strong motility and spontaneous liberation of the gravid segments were confirmed. The average daily number of released proglottids was established as well as their number per one specimen of T. hydatigena during the first 15 weeks of the patent period. The average daily number varied within 6 – 26 proglottids and the number per specimen of the tapeworm – 0.67 and 2.89.
A linear tendency of the mature segments release was found during the period of the study. The maximum release during the experimental infestation was recorded in the 10th and 12th week of patency. The morphology of the uterus in gravid proglottids during the same 15-week period was also studied. It was established that the uterus of the gravid segments was completely filled with taeniid eggs at the beginning of the 13th week of patency.
Keywords: biological characteristics; epizootology; gravid proglottids; Taenia hydatigena; tenuicol cysticercosis
Date published: 2017-09-20
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