Hymenolepis nana (Cestoda: Cyclophyllidea): migration, growth and development in the laboratory mouse |
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| Authors: | D J Henderson R E Hanna |
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| Affiliation: | 1. Department of Agriculture and Food Western Australia, Albany, WA, Australia;4. University of New England, Armidale, NSW, Australia;5. University of Edinburgh, Roslin, Midlothian, United Kingdom;1. Department of Agriculture and Food Western Australia, Albany, WA, Australia;4. University of New England, Armidale, NSW, Australia;5. University of Edinburgh, Roslin, Midlothian, United Kingdom;1. Laboratory of Parasite Control, Department of Pathology, Center for Biological and Health Sciences, Federal University of Maranhão, São Luis, MA, Brazil;2. Chemical Engineering Course, Center for Exact Sciences and Technology, Federal University of Maranhão, São Luis MA, Brazil;3. Department of Physics, Federal University of Maranhão, São Luis, MA, Brazil;4. Bioscience Institute, São Paulo State University, Botucatu, SP, Brazil;5. Federal Institute of Bahia, IFBA, Irecê, BA, Brazil |
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| Abstract: | The establishment, distribution and growth of Hymenolepis nana in Compton White mice was examined at daily intervals during a 15-day infection period. Following administration of cysticercoids the cestodes established initially in the anterior small intestine but subsequently migrated posteriorly to attachment positions in the lower ileum where they remained throughout the duration of the infection. Length measurements indicated exponential growth during the 1–7-day post-infection period and slower, constant growth between days 8 and 15. Two distinct phases of proglottid production were recognised. The first and most rapid corresponded to the 7-day period of exponential growth. The second slower phase occurred during 8–15 days post-infection and resulted in an abundance of proglottids in the immature region. |
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