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Effects of Bacteria, Antibacterial Compounds and Trypanosomes on Tsetse Reproduction and Longevity

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Abstract

Haemocoelic injections of live Escherichia coli and oral administration of three tetracycline compounds, namely Reverin, Maxitet and Terramycin to female Glossina morsitans morsitans prior to their first larviposition, caused a decrease in fecundity, but had no effect on longevity. Trypanosoma brucei brucei and T. congolense administered by haemocoelic injections, however, caused no change in fecundity or longevity, but tsetse infected with T. b. brucei and T. congolense in their mouthparts had decreased fecundity and longevity as compared to controls.

Résumé

Des injections intrahémales d’Escherichia coli et l’administration par voie orale de trois composés de la tétracycline (principalement Reverin, Maxitet et Terramycine), á des femelles de Glossina morsitans morsitans avant leur première larviposition, ont entrané une baisse de la fécondité, mais n’ont eu aucum effet sur la longévité. Cependant, Trypanosoma brucei brucei et T. congolense, administrés par injection intrahémale, n’ont entrané aucun changement dans la fécondité ou la longévité. Néanmoins, comparativement aux témoins, il a été observé une baisse de la fécondité et de la longévité chez des tsétsé infectées dans le voisinage de la bouche par T. brucei et T. congolense

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Authors and Affiliations

  1. The International Centre of Insect Physiology and Ecology (ICIPE), P.O. Box 30772, Nairobi, Kenya

    G. P. Kaaya, N. Darji & L. H. Otieno

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  1. G. P. Kaaya
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  2. N. Darji
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  3. L. H. Otieno
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Kaaya, G.P., Darji, N. & Otieno, L.H. Effects of Bacteria, Antibacterial Compounds and Trypanosomes on Tsetse Reproduction and Longevity. Int J Trop Insect Sci 8, 217–220 (1987). https://doi.org/10.1017/S1742758400007232

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  • DOI: https://doi.org/10.1017/S1742758400007232

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