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Effect of dietary astaxanthin on reproductive performance, egg quality and larvae of clowfish Amphiprion ocellaris (Cuvier, 1830)

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Nguyen Thi Nguyet Hue-Clowfish ...
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Author
Nguyen, Thi Nguyet Hue
Corporate Author
Ho, Son Lam
Dao, Thi Hong Ngoc
Dang, Tran Tu Tram
Huynh, Minh Sang
Dinh, Truong An
Doan, Van Than
Nguyen, Truong Tan Tai
Do, Hai Dang
Hua, Thai An
Date
2020

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Alternative Title
Ảnh hưởng của astaxanthin bổ sung vào thức ăn lên hiệu quả sinh sản, chất lượng trứng và ấu trùng cá khoang cổ Nemo Amphiprion ocellaris (Cuvier, 1830)
Abstract
This study was designed to evaluate the effects of astaxanthin in broodfish diets on reproductive performance, egg quality and larvae quality parameters of clownfish (Amphirion ocellaris). Five treatments were tested with 5 levels of astaxanthin (Carophyll Pink 10% CWS) of 0, 50, 100, 150 and 200 mg/kg added to the feed. Each treatment was repeated in triplicate and the supplemental feeding trials were arranged for 13 months. The results showed that there were significant differences in hatching rate of egg, malformed rate and survival rate of larvae in 3 days post-hatch (p<0.05) among the feeding trials of astaxanthin supplements. The highest hatching rate of egg and survival rate and the lowest malformed rate of larvae were observed in the treatment that was supplemented with astaxanthin 150 mg/kg feed, respectively 92.14 %; 93.57 % and 0.55 %. However, the astaxanthin supplementary diets did not affect the re-maturation and spawning period, spawning frequency, fecundity, egg diameter and larval size of nemo fish among the treatments. The results also suggested that astaxanthin requirement for clownfish broodstock to improve reproductive performance was 150 mg/kg feed.
Journal
Collection of Marine Research Works
Volume
25
Issue/Article Nr
Special issue to introduce scientific papers from the Collection of Marine Research Works, Volume 25 published in Vietnam Journal of Marine Science and Technology No. 4A(T20), 2020
Page Range
pp. 163-172
Resource/Dataset Location
https://doi.org/10.15625/1859-3097/15644
URI
http://hdl.handle.net/1834/41489
Collections
Tuyển tập Nghiên Cứu Biển – Collection of Marine Research Works

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