Bulinus sp. (2n=36) from Salisbury, Rhodesia, a close relative of Bulinus truncatus (Audouin), being a potential intermediate host of Schistosoma haematobium in south-east Africa

Author(s):  
G. Mandahl-Barth ◽  
F. Frandsen ◽  
J.E. Jelnes
1997 ◽  
Vol 71 (1) ◽  
pp. 29-34 ◽  
Author(s):  
N. Kechemir ◽  
A. Théron

AbstractA comparative analysis has been carried out between two populations ofSchistosoma haematobiumusing the same intermediate snail host,Bulinus truncatus, but originating from two distinct ecological areas of Algeria: Khemis-El-Khechna in a sub-humid mediterranean zone and Djanet in a saharan bioclimatic zone. Four parameters have been studied: the growth rate of adult worms, size and shape of the eggs, chronobiology of cercarial emergence and the compatibility with the intermediate host. Results showing divergences for all the characters studied are discussed for the origin of this intraspecific polymorphism ofS. haematobiumin Algeria.


Graellsia ◽  
2015 ◽  
Vol 71 (2) ◽  
pp. e030 ◽  
Author(s):  
Elías D. Dana ◽  
Juan García-de-Lomas ◽  
José L. Juan Bañón ◽  
Encarnación Esteban ◽  
María A. A. Grácio ◽  
...  

2021 ◽  
Vol 7 (1) ◽  
pp. 1
Author(s):  
Jean Claude Dejon Agobé ◽  
Henry Curtis Kariuki ◽  
Jeannot Fréjus Zinsou ◽  
Yabo Josiane Honkpehedji ◽  
Martin Peter Grobusch ◽  
...  

The objective of this pilot malacological survey was to identify the snail intermediate hosts for Schistosoma haematobium in endemic rural and semi-urban areas of Gabon. Snails were collected, morphologically identified, and tested for infection by cercarial shedding. Released cercariae were morphologically identified using low-power light microscopy. A total of six species of snails were collected throughout the study area, with Bulinus truncatus, B. forskalii, and Potadoma spp. being the most predominant species collected. Only the Bulinus species were tested for infection by cercarial shedding, of which only B. truncatus shed cercariae. Some B. truncatus shed mammalian schistosome cercariae, while others shed Gymnocephalus cercariae. Our results indicate that B. truncatus appears to be a potential intermediate host of schistosomiasis in Gabon, where cases of S. haematobium, S. guineensis, and S. intercalatum infection are reported. However, it will be important to further understand the species diversity and transmission dynamics of schistosomes.


2011 ◽  
Vol 11 (1) ◽  
pp. 17-22 ◽  
Author(s):  
F.F. Djuikwo-Teukeng ◽  
F. Njiokou ◽  
L. Nkengazong ◽  
T. De Meeûs ◽  
A. Samè Ekobo ◽  
...  

1962 ◽  
Vol 36 (3) ◽  
pp. 297-308 ◽  
Author(s):  
G. S. Nelson

1.In Kenya Dipetalonema reconditum is a common parasite of dogs, jackals and hyaenas. Usually microfilarial densities in the blood are very low. The adult worms are small; they can be detected at autopsy by searching the subcutaneous fascial spaces with a dissecting microscope.2.The morphology of the adult worms is described and illustrated. The adults and microfilariae are readily distinguished from other species found in dogs in East Africa.3.The main intermediate host of D. reconditum in dogs in Kenya is the flea Ctenocephalides felis. If fleas are kept on dogs for more than a week they can be used for xenodiagnosis to detect very low density infections.4.The infective larvae have a characteristic caudal morphology with three terminal projections. They are very similar to the infective larvae of D. arbuta, D. vite and D. manson-bahri.


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