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Growth and development of Strongyloides venezuelensis Brumpt, 1934 in the albino rat

  • Guta Wertheim (a1)

Extract

Growth and development of S. venezuelensis in percutaneously infected albino rats was studied and compared with S. ratti. The development of S. venezuelensis was found to last longer than that of S. ratti, the difference resulting mainly from the longer sojourn of the L3 larvae in skin and lungs. The growth rate was found to differ in each developmental stage, being higher in L4 than in L3 larvae. The adult females continued to increase in size for 6–7 days postexposure. The increase in body width, oesophagus length and tail length was found to be allometric bradyauxetic.

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Andrawartha, H. G. & Birch, L. C. (1954). The Distribution and Abundance of Animals, p. 465. Chicago: The University Press.
Araujo, P. (1967). Distribuçao de helmintos no intestino delgado de Rattus norvegicus naturalmente infestados. II. Strongyloides ratti, Sandground, 1925 e S. venezuelensis Brumpt, 1934. Revista de la Faculdad de farmacia e bioquimica da Universidad de Sao Paulo, Brazil 5, 179–90.
Bisseru, B. & Poopalachelvam, M. (1968). Allometric growth of oesophagus/body of rhabditiform and filariform larvae of Strongyloides stercoralis and S. fulleborni (Cultures at 28°C). Medical Journal of Malaya 22, 234–5.
Little, M. D. (1961). Concurrent infections of Strongyloides venezuelensis and S. ratti in wild rats in New Orleans. Journal of Parasitology 47 (Suppl.), 17.
Reeve, E. C. R. & Huxley, J. S. (1947). Some problems in the study of allometric growth. In Essays on Growth and Form, Eds. Le Gross Clark, W. E. and Medawar, P. B.. Oxford: The Clarendon Press.
Rohde, K. (1961). Allometrisches Wachstum bei zwei nahe verwandten Hakenwürmern. Zoologischer Anzeiger 166, 44–5.
Wertheim, G. & Lengy, J. (1964). The seasonal occurrence of Strongyloides ratti Sandground, 1925 and S. venezuelensis Brumpt, 1934, in a population of Rattus norvegicus. Journal of Helminthology 38, 393–8.
Wertheim, G. & Lengy, J. (1965). Growth and Development of Strongyloides ratti Sandground, 1925, in the albino rat. Journal of Parasitology 51, 636–9.

Growth and development of Strongyloides venezuelensis Brumpt, 1934 in the albino rat

  • Guta Wertheim (a1)

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