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Kamel, S., Walash, M., Shoman, H., Radwan, A. (1997). EFFECT OF THE MOLLUSCICIDE BAYLUSCIDE ON THE TESTIS OF THE VIVIPAROUS FISH GAMBUSIA AFFINIS. AN ULTRASTRUCTURAL STUDY.. Egyptian Journal of Aquatic Biology and Fisheries, 1(2), 247-259. doi: 10.21608/ejabf.1997.3388
Said Kamel; Mohamad Walash; Hoda an Shoman; Asmaa Radwan. "EFFECT OF THE MOLLUSCICIDE BAYLUSCIDE ON THE TESTIS OF THE VIVIPAROUS FISH GAMBUSIA AFFINIS. AN ULTRASTRUCTURAL STUDY.". Egyptian Journal of Aquatic Biology and Fisheries, 1, 2, 1997, 247-259. doi: 10.21608/ejabf.1997.3388
Kamel, S., Walash, M., Shoman, H., Radwan, A. (1997). 'EFFECT OF THE MOLLUSCICIDE BAYLUSCIDE ON THE TESTIS OF THE VIVIPAROUS FISH GAMBUSIA AFFINIS. AN ULTRASTRUCTURAL STUDY.', Egyptian Journal of Aquatic Biology and Fisheries, 1(2), pp. 247-259. doi: 10.21608/ejabf.1997.3388
Kamel, S., Walash, M., Shoman, H., Radwan, A. EFFECT OF THE MOLLUSCICIDE BAYLUSCIDE ON THE TESTIS OF THE VIVIPAROUS FISH GAMBUSIA AFFINIS. AN ULTRASTRUCTURAL STUDY.. Egyptian Journal of Aquatic Biology and Fisheries, 1997; 1(2): 247-259. doi: 10.21608/ejabf.1997.3388

EFFECT OF THE MOLLUSCICIDE BAYLUSCIDE ON THE TESTIS OF THE VIVIPAROUS FISH GAMBUSIA AFFINIS. AN ULTRASTRUCTURAL STUDY.

Article 14, Volume 1, Issue 2, June 1997, Page 247-259  XML
Document Type: Original Article
DOI: 10.21608/ejabf.1997.3388
Authors
Said Kamel1; Mohamad Walash2; Hoda an Shoman2; Asmaa Radwan3
1National Institute of Oceanography & Fisheries, Fish Research Station, Zamalik.
2Al-Azhar University, Faculty of Science for Girls, Zoology Department
3Al-Azhar University, Faculty of Medicine for Girls, Anatomy Department
Abstract
exually mature specimens of the mosquitofish, Gambusia affinis (Baird and Giard) were exposed to a low concentration (0.2 mg/1) of the molluscicide Bayluscide for 15 days. The testes of these fishes, examined by the EM, have revealed severe cytological changes. The intertubular spaces were infiltrated binucleated cells,and different types of lymphocytes with degenerated mitochondria. The epithelial cells of the sperm follicles showed degenerated mitochondria and dilated endoplasmic reticulum. The round nuclei of the sertoli cells became flat and irregular in shape with less dense euchromatic material and degenerated nucleoli. The endoplasmic reticulum and the ribosomes became very few, and the
microfilaments became hardly defined. The sperm heads lost their normal arrangement and polarity in the sertoli cells. They became more round with irregular outlines. The acrosome and the cell membrane were degenerated. The mitochondrial sheath, in the midpiece, became separated from the axial filament and showed signs
of disintegration and disorganization 
Keywords
Gambusia; testis; ultfrastructure; Bayluscide; Molluscicide
Main Subjects
Fisheries
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