Changes in iodide and thyroid hormone levels of hatchery-reared orange-spotted rabbitfish Siganus guttatus (Bloch 1787) during early larval development
This paper elucidates the developmental profiles of iodide and thyroid hormones, thyroxine (T4) and triiodothyronine (T3) in hatchery-reared rabbitfish (Siganus guttatus) during early larval development. The study evaluated the levels of iodide, T4 and T3 tissue content in rabbitfish larvae at 0, 10...
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doaj-875f7ab20cd14df782fc56d32491083c2021-07-03T04:46:39ZengElsevierAquaculture Reports2352-51342021-07-0120100674Changes in iodide and thyroid hormone levels of hatchery-reared orange-spotted rabbitfish Siganus guttatus (Bloch 1787) during early larval developmentMa. Irene C. Cabanilla-Legaspi0Rex Ferdinand M. Traifalgar1Evelyn Grace T. de Jesus-Ayson2Karen Grace S. Andrino-Felarca3Roger Edward P. Mamauag4Aquaculture Department, Southeast Asian Fisheries Development Center (SEAFDEC/AQD), Tigbauan, Iloilo, 5021, Philippines; Institute of Aquaculture, College of Fisheries and Ocean Sciences, University of the Philippines Visayas, Miagao, Iloilo, 5023, Philippines; Corresponding author.Institute of Aquaculture, College of Fisheries and Ocean Sciences, University of the Philippines Visayas, Miagao, Iloilo, 5023, PhilippinesAquaculture Department, Southeast Asian Fisheries Development Center (SEAFDEC/AQD), Tigbauan, Iloilo, 5021, PhilippinesInstitute of Aquaculture, College of Fisheries and Ocean Sciences, University of the Philippines Visayas, Miagao, Iloilo, 5023, PhilippinesAquaculture Department, Southeast Asian Fisheries Development Center (SEAFDEC/AQD), Tigbauan, Iloilo, 5021, PhilippinesThis paper elucidates the developmental profiles of iodide and thyroid hormones, thyroxine (T4) and triiodothyronine (T3) in hatchery-reared rabbitfish (Siganus guttatus) during early larval development. The study evaluated the levels of iodide, T4 and T3 tissue content in rabbitfish larvae at 0, 10, 20, 30, 40 and 50 days after hatching (DAH). Under normal rearing conditions, iodide (11.98 ± 4.3 nmol g−1) and thyroid hormones (T4: 0.09 ± 0.01 nmol g−1; T3: 0.01 ± 8.5E-05 nmol g−1 were already detected from newly-hatched larvae and their presence has been attributed from maternal origin. Iodide level sharply peaked at 10 DAH (1416.43 ± 149.6 nmol g−1) which is significantly higher compared to the iodide levels in the larvae at 20, 30, 40 and 50 DAH. The levels of THs gradually increased as the larvae developed with T4 (0.96 ± 0.05 nmol g−1) and T3 (0.03 ± 0.004 nmol g−1) exhibiting a peak on 20 and 30 DAH, respectively, which coincided with the onset of metamorphosis. Thyroid hormone levels gradually decreased which coincided also with the completion of metamorphosis. The present findings indicated a pattern of the rise and fall in iodide and thyroid hormone levels during larval development and its role in metamorphosis of rabbitfish larvae. The study has reported for the first time, the changes in iodide and thyroid hormone levels during the early developmental stage in hatchery-reared rabbitfish and the results are in agreement with those vital actions of thyroid hormones in other fish species.http://www.sciencedirect.com/science/article/pii/S2352513421000909IodideLarval developmentSiganus guttatusThyroid hormone |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Ma. Irene C. Cabanilla-Legaspi Rex Ferdinand M. Traifalgar Evelyn Grace T. de Jesus-Ayson Karen Grace S. Andrino-Felarca Roger Edward P. Mamauag |
spellingShingle |
Ma. Irene C. Cabanilla-Legaspi Rex Ferdinand M. Traifalgar Evelyn Grace T. de Jesus-Ayson Karen Grace S. Andrino-Felarca Roger Edward P. Mamauag Changes in iodide and thyroid hormone levels of hatchery-reared orange-spotted rabbitfish Siganus guttatus (Bloch 1787) during early larval development Aquaculture Reports Iodide Larval development Siganus guttatus Thyroid hormone |
author_facet |
Ma. Irene C. Cabanilla-Legaspi Rex Ferdinand M. Traifalgar Evelyn Grace T. de Jesus-Ayson Karen Grace S. Andrino-Felarca Roger Edward P. Mamauag |
author_sort |
Ma. Irene C. Cabanilla-Legaspi |
title |
Changes in iodide and thyroid hormone levels of hatchery-reared orange-spotted rabbitfish Siganus guttatus (Bloch 1787) during early larval development |
title_short |
Changes in iodide and thyroid hormone levels of hatchery-reared orange-spotted rabbitfish Siganus guttatus (Bloch 1787) during early larval development |
title_full |
Changes in iodide and thyroid hormone levels of hatchery-reared orange-spotted rabbitfish Siganus guttatus (Bloch 1787) during early larval development |
title_fullStr |
Changes in iodide and thyroid hormone levels of hatchery-reared orange-spotted rabbitfish Siganus guttatus (Bloch 1787) during early larval development |
title_full_unstemmed |
Changes in iodide and thyroid hormone levels of hatchery-reared orange-spotted rabbitfish Siganus guttatus (Bloch 1787) during early larval development |
title_sort |
changes in iodide and thyroid hormone levels of hatchery-reared orange-spotted rabbitfish siganus guttatus (bloch 1787) during early larval development |
publisher |
Elsevier |
series |
Aquaculture Reports |
issn |
2352-5134 |
publishDate |
2021-07-01 |
description |
This paper elucidates the developmental profiles of iodide and thyroid hormones, thyroxine (T4) and triiodothyronine (T3) in hatchery-reared rabbitfish (Siganus guttatus) during early larval development. The study evaluated the levels of iodide, T4 and T3 tissue content in rabbitfish larvae at 0, 10, 20, 30, 40 and 50 days after hatching (DAH). Under normal rearing conditions, iodide (11.98 ± 4.3 nmol g−1) and thyroid hormones (T4: 0.09 ± 0.01 nmol g−1; T3: 0.01 ± 8.5E-05 nmol g−1 were already detected from newly-hatched larvae and their presence has been attributed from maternal origin. Iodide level sharply peaked at 10 DAH (1416.43 ± 149.6 nmol g−1) which is significantly higher compared to the iodide levels in the larvae at 20, 30, 40 and 50 DAH. The levels of THs gradually increased as the larvae developed with T4 (0.96 ± 0.05 nmol g−1) and T3 (0.03 ± 0.004 nmol g−1) exhibiting a peak on 20 and 30 DAH, respectively, which coincided with the onset of metamorphosis. Thyroid hormone levels gradually decreased which coincided also with the completion of metamorphosis. The present findings indicated a pattern of the rise and fall in iodide and thyroid hormone levels during larval development and its role in metamorphosis of rabbitfish larvae. The study has reported for the first time, the changes in iodide and thyroid hormone levels during the early developmental stage in hatchery-reared rabbitfish and the results are in agreement with those vital actions of thyroid hormones in other fish species. |
topic |
Iodide Larval development Siganus guttatus Thyroid hormone |
url |
http://www.sciencedirect.com/science/article/pii/S2352513421000909 |
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