n African Zoology - Helminth fauna of anurans from the Guinea savanna at New Bussa, Nigeria

Volume 39, Issue 1
  • ISSN : 1562-7020
  • E-ISSN: 2224-073X
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As part of broader study on the helminth parasites of amphibians in the different bioclimatic zones of Nigeria, a study of the the helminth parasites of amphibians at New Bussa in the Guinea savanna zone of Nigeria was undertaken. Amphibian hosts examined included <I>Bufo regularis, B. maculatus, Dicroglossus occipitalis&lt;/I&gt; and <I>Rana galamensis</I>. The cestode &lt;I&gt;Cylindrotaenia&lt;/I&gt; sp. was recovered from <I>Bufo regularis&lt;/I&gt; and <I>B. maculatus</I>. Monogeneans were represented by <I>Eupolystoma alluaudi&lt;/I&gt; and <I>Polystoma galamensis&lt;/I&gt; and trematodes by <I>Haematoloechus exoterorchis, H. micrurus, Mesocoelium monodi&lt;/I&gt; and <I>Diplodiscus fischthalicus</I>. Nematode parasites included <I>Rhabdias bufonis, Amplicaecum africanum, Camallanus dimitrovi, Cosmocerca ornata&lt;/I&gt; and the larvae of an ascaridoid nematode. <I>Eupolystoma alluaudi</I>, which has been shown to have low prevalence rates in other savanna locations, had high prevalence rates in <I>B. regularis&lt;/I&gt; (68.4%) and <I>B. maculatus&lt;/I&gt; (82.3%). A few &lt;I&gt;Bufo&lt;/I&gt; specimens, which had over-dispersed infection with adult worms and the whole range of developing stages represented, confirm the internal cycle of re-infection already observed by other investigators for <I>E. alluaudi&lt;/I&gt; in &lt;I&gt;Bufo&lt;/I&gt; spp.

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