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Feeding effect of selenium enriched rotifers on larval growth and development in red sea bream Pagrus major


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タイトル: Feeding effect of selenium enriched rotifers on larval growth and development in red sea bream Pagrus major
著者: Kim, Hee-Jin / Sakakura, Yoshitaka / Maruyama, Isao / Nakamura, Toshio / Takiyama, Kazushi / Fujiki, Haruyuki / Hagiwara, Atsushi
発行日: 2014年 8月20日
出版者: Elsevier
引用: Aquaculture, 432, pp.273-277; 2014
抄録: Feeding trials were conducted to investigate the effect of selenium (Se)-enriched rotifers on growth and development of red sea bream Pagrus major larvae. Fish were reared from fertilized eggs (98% hatch rate) to 20. days post hatch (dph) at 19. °C with two different food sources; non-enriched S-type rotifers (0.0. μg. Se/g D.W., control diet) or Se-enriched rotifers (2.2. μg. Se/g D.W., Se-enriched diet) at 10. rotifers/mL, respectively. On the last day of larviculture, the Se-enriched diet accelerated growth and developmental stage of fish larvae. The larvae fed Se-enriched rotifers were advanced in the following parameters compared to those fed control diet: total length (6.06 vs 5.53. mm), standard length (5.74 vs 5.26. mm), head length (1.46 vs 1.28. mm), eye diameter (0.57 vs 0.50. mm), the number of caudal fin rays (5.8 vs 1.9), and the proportion of individuals undergoing notochord flexion (55 vs 3%). Fish larvae of 20. dph showed higher Se concentration (9.5 ± 0.2. μg/g DW) with the Se-enriched diet than with the control diet (1.3 ± 0.3. μg/g DW), but there were no significant differences in the composition of polyunsaturated fatty acids which significantly affect larval growth and development. Therefore, the feeding of Se enriched rotifers enhanced growth and development of the red sea bream P. major larvae.
キーワード: Chlorella vulgaris / Larval growth / Red sea bream / Rotifer / Selenium
URI: http://hdl.handle.net/10069/34555
ISSN: 00448486
DOI: 10.1016/j.aquaculture.2014.05.021
権利: © 2014 Elsevier B.V. / NOTICE: this is the author’s version of a work that was accepted for publication in Aquaculture. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Aquaculture, 432, (2014)
資料タイプ: Journal Article
原稿種類: author
出現コレクション:085 学術雑誌論文

引用URI : http://hdl.handle.net/10069/34555

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