The effects on the fauna of natural waters of surveillance treatment with Bayluscide in Rhodesia

The molluscicide, Bayluscide, has been extensively used in Rhodesia (now Zimbabwe), not only for 'blanket' treatment of whole stream catchments, but also for long-term surveillance programmes. It was feared that the constant spraying of snail foci in streams would have a serious effect on...

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Bibliographic Details
Published in:Hydrobiologia 1967-03, Vol.29 (1-2), p.149-155
Main Authors: Harrison, A. D., Mason, M. H.
Format: Article
Language:English
Subjects:
Biomphalaria pfeifferi
Bulinus globosus
Freshwater
Mollusca
Schistosoma
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Summary:The molluscicide, Bayluscide, has been extensively used in Rhodesia (now Zimbabwe), not only for 'blanket' treatment of whole stream catchments, but also for long-term surveillance programmes. It was feared that the constant spraying of snail foci in streams would have a serious effect on the rest of the aquatic fauna. The faunas of two streams under this type of treatment were studied over a period of one year and the results compared with those from two matched, untreated streams. One pair of streams had dissolved bicarbonates in the medium range of concentration and the other in the high range. Although the treatment kept down the snail hosts of schistosomiasis and fasciolasis the rest of the invertebrate fauna appeared to be unaffected and fish were not eliminated.
ISSN:0018-8158
1573-5117
DOI:10.1007/BF00142060