Egg laying and growth in Helisoma duryi (Wetherby) (Pulmonata: Planorbidae): Effect of population density and mode of fertilization

Helisoma duryi proposed as biological control agent for schistosomiasis, studies of egg laying and growth indicate that repeated introductions may be necessary in unstable habitats and frequent surveys to follow the populations are needed but unintended spread should be easy to prevent

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Bibliographic Details
Published in:Hydrobiologia 1983-01, Vol.106 (2), p.185-191
Main Authors: Madsen, H, Thiongo, F.W, Ouma, J.H
Format: Article
Language:English
Subjects:
Biochemistry. Physiology. Immunology
Biological and medical sciences
biological control
Fundamental and applied biological sciences. Psychology
Helisoma duryi
Invertebrates
Mollusca
Physiology. Development
schistosomiasis
Trematoda
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Description
Summary:Helisoma duryi proposed as biological control agent for schistosomiasis, studies of egg laying and growth indicate that repeated introductions may be necessary in unstable habitats and frequent surveys to follow the populations are needed but unintended spread should be easy to prevent
ISSN:0018-8158
1573-5117
DOI:10.1007/BF00006750