The effect of vitamin E supplementation on ovary and testis histopathology in Oreochromis niloticus exposed to deltamethrin

The effects of deltamethrin on the histology of Oreochromis niloticus testis and ovary and the protective effect of vitamin E supplementation were investigated. The fish were divided into four groups, i.e. a control group, a vitamin-E-treated group, a deltamethrin-treated group and a vitamin E+delta...

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Bibliographic Details
Published in:Toxicological and environmental chemistry 2014-01, Vol.96 (1), p.114-135
Main Authors: Bayar, Ahmet Serhat, Bilici, Serbest, Cengiz, Elif Ipek, Satar, Ali, Yanar, Mahmut
Format: Article
Language:English
Subjects:
Brackish
Deformities
Degeneration
deltamethrin
Dietary supplements
Fish
Histology
histopathology
Morphology
Oreochromis niloticus
Ovaries
ovary
Pathology
pyrethroid insecticide
Reproductive system
Spermatozoa
Testes
testis
Tilapia
Vitamin E
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Summary:The effects of deltamethrin on the histology of Oreochromis niloticus testis and ovary and the protective effect of vitamin E supplementation were investigated. The fish were divided into four groups, i.e. a control group, a vitamin-E-treated group, a deltamethrin-treated group and a vitamin E+deltamethrin-treated group. In the control and vitamin-E-treated groups, the ovaries and testes were normal at the end of 7, 14, and 21 days. In the deltamethrin-treated group, deformed oocytes, atretic oocytes, melanomacrophage centers, and focal necrotic areas were noted in the ovaries. Deltamethrin also caused cell necrosis, nuclear pycnosis, decreasing number of spermatogenic cells, decreasing spermatozoa within the lumen of tubule, decreasing number of spermatocyte cells, hypertrophy and degeneration of spermatogonia cells, and increasing number of macrophages in testis. Vitamin E decreased some histopathological changes induced by deltamethrin, but did not confer complete protection.
ISSN:0277-2248
1029-0486
DOI:10.1080/02772248.2014.907901