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International Journal of Fisheries and Aquatic Studies
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(ICV-Poland) Impact Value: 76.37, Impact Factor: RJIF 5.69
E-ISSN: 2347-5129, P-ISSN: 2394-0506

International Journal of Fisheries and Aquatic Studies

2018, Vol. 6, Issue 6, Part A

Iodine indirect effect on thyroid gland: structure and hormone receptor (TRα) in common sole, Solea solea larvae


Author(s): Mona M Mourad and Rania F Ismail

Abstract: The effect of feeding Solea solea with Artemia enriched in iodine during metamorphosis was evaluated. In the present study, three treatment groups were used; i) control fish fed with untreated Artemia, ii) low dose (TLow), in which sole were fed with instar Ӏ Artemia exposed to potassium iodate® (0.1g IKO3/L) for 3 hours and iii) high dose (Thigh), in which sole were fed with instar Ӏ Artemia exposed to potassium iodate® (0.2 g IKO3/L,). Growth performance, thyroid follicles (localization and morphometric analysis), and thyroid hormone receptor (TRα) were measured. A significant increase in the expression of thyroid hormone receptor type 1 (TRα) occurred in the iodine supplemented larvae and was 3.55±1.13 fold higher than the control. The thyroid gland was not significantly modified in the group fed on Artemia supplemented with iodine; indicating that iodine-supplementation for sole post-larvae is unnecessary in open circuit seawater systems.

Pages: 26-32  |  423 Views  23 Downloads

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How to cite this article:
Mona M Mourad, Rania F Ismail. Iodine indirect effect on thyroid gland: structure and hormone receptor (TRα) in common sole, Solea solea larvae. Int J Fish Aquat Stud 2018;6(6):26-32.
International Journal of Fisheries and Aquatic Studies