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Efficacy of temperature, and two commonly used molluscicides and fertilizers on fasciola gigantica eggs
Joint Authors
Hassan, Ali A.
Shoukary, Nahlah M.
Ismail, Nahid Muhammad Muhammad
Source
Journal of the Egyptian Society of Parasitology
Issue
Vol. 38, Issue 2 (31 Aug. 2008), pp.621-634, 14 p.
Publisher
The Egyptian Society of Parasitology
Publication Date
2008-08-31
Country of Publication
Egypt
No. of Pages
14
Main Subjects
Topics
Abstract EN
This study evaluated the effect of temperature, molluscicides (Co-pper sulphate and Niclosamide), fertilizers (Superphosphate and Am-monium sulphate) on the hatchability of Fasciola gigantica eggs.
The results showed that hatchability decreased to 4 % when eggs were in-cubated in bile secretion at 37ºC for 5 days and to 1.4 % for 10 days, but few eggs incubated in water at 37ºC hatched.
Bile secretion at 37ºC was a poor medium for in-vitro egg preservation.
But, hatching occurred only when eggs were transferred to water at 26ºC.
Tempera-true fluctuation from 26-4ºC or from 32- 4ºC had an inhibitory effect on embryos development (35.2 % and 32.3 %, respectively) as compared to controls (60 % and 63.9 %, respectively).
The incubation period (19 and 17 days) was higher than controls (14 and 12 days, respectively).
The LC50 and LC90 of Copper sulphate and Niclosamide against Biom-phalaria alexandrina and Lymnaea natalenesis had no toxic effect on Fasciola eggs.
The higher concentrations of Copper sulphate (30ppm) and Niclosamide (1ppm) slightly lower eggs hatchability rate than co-ntrols.
The rate decreased by increasing the exposure time from 3 to 6 hours with both molluscicides.
Ammonium sulphate had a lethal effect on eggs, but Superphosphate had some inhibitory effect on egg de-velopment, which increased by increasing Superphosphate concentration or with the prolongation of the exposure time.
American Psychological Association (APA)
Hassan, Ali A.& Shoukary, Nahlah M.& Ismail, Nahid Muhammad Muhammad. 2008. Efficacy of temperature, and two commonly used molluscicides and fertilizers on fasciola gigantica eggs. Journal of the Egyptian Society of Parasitology،Vol. 38, no. 2, pp.621-634.
https://search.emarefa.net/detail/BIM-279969
Modern Language Association (MLA)
Hassan, Ali A.…[et al.]. Efficacy of temperature, and two commonly used molluscicides and fertilizers on fasciola gigantica eggs. Journal of the Egyptian Society of Parasitology Vol. 38, no. 2 (Aug. 2008), pp.621-634.
https://search.emarefa.net/detail/BIM-279969
American Medical Association (AMA)
Hassan, Ali A.& Shoukary, Nahlah M.& Ismail, Nahid Muhammad Muhammad. Efficacy of temperature, and two commonly used molluscicides and fertilizers on fasciola gigantica eggs. Journal of the Egyptian Society of Parasitology. 2008. Vol. 38, no. 2, pp.621-634.
https://search.emarefa.net/detail/BIM-279969
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references : p. 631-634
Record ID
BIM-279969