Results 61 to 70 of about 202 (147)

The suppression, by Helisoma duryi, of the cercarial production of Schistosoma mansoni-infected Biomphalaria pfeifferi.

open access: yesBulletin of the World Health Organization, 1977
Biological control of the intermediate hosts of Schistosoma mansoni and S. haematobium by means of a competitor snail, Helisoma duryi, has been suggested. In the present laboratory study, the influence of H. duryi on the relationship between the parasite and the intermediate host was investigated. The results indicated that H. duryi behaves as a "decoy"
openaire   +1 more source

Effect Of Cadmium On The Activltes Of Glutamate Dehydrogemase, Alanine And Aspartate Aminotransferase In Fresh Water Snails, Helisoma Duryi And Lymnea Natalensis

open access: yes, 2013
Presented at the Sida,SAREC Water Project Conference in December 2000.,Snails are known to accumulate metal ion pollutants in their tissues this being attributed to induction of metal binding proteins (Petering and Fowler. 1986).
Naik, Yogeshkumar S.
core  

Environmental concentrations of Roundup in combination with chlorpromazine or heating causes biochemical disturbances in the bivalve mollusc Unio tumidus. [PDF]

open access: yesEnviron Sci Pollut Res Int, 2022
Khoma V   +8 more
europepmc   +1 more source

The life-cycle and feeding of the African freshwater leech Helobdella conifera (Glossiphoniidae)

open access: yes, 2017
The life-cycle, breeding and feeding of the fresh water leech Helobdella conifera were examined in the laboratory. The life-cycle is annual with the young brooded by the parent for the first two months after hatching.
Oosthuizen, JH   +2 more
core  

The life cycle of the Siamese shield leech, Placobdelloides siamensis Oka, 1917. [PDF]

open access: yesPLoS One, 2020
Chiangkul K   +3 more
europepmc   +1 more source

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