gracilaria lichenoides
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Author(s):  
M Othman ◽  
N Hasmida ◽  
Z Halim ◽  
N A Jamal ◽  
K Khalid ◽  
...  

2016 ◽  
Vol 29 (1) ◽  
pp. 607-615 ◽  
Author(s):  
Wenlei Wang ◽  
Huanqin Li ◽  
Xiangzhi Lin ◽  
Zhaokai Wang ◽  
Baishan Fang

2016 ◽  
Vol 28 (5) ◽  
pp. 3083-3089 ◽  
Author(s):  
Hengtong Liu ◽  
Fang Wang ◽  
Qiaohan Wang ◽  
Shuanglin Dong ◽  
Xiangli Tian

2016 ◽  
Vol 6 (1) ◽  
Author(s):  
Wenlei Wang ◽  
Huanqin Li ◽  
Xiangzhi Lin ◽  
Shanjun Yang ◽  
Zhaokai Wang ◽  
...  

2014 ◽  
Vol 6 (1) ◽  
Author(s):  
Wahyu Purbiantoro ◽  
Nur Bambang Priyo Utomo ◽  
Oman Agus Sudrajat

Dried Ulva reticulata has been proven as a feeding stimulant for the collector sea urchins (Tripneustes gratilla). The purposes of this study were to determine the optimal dose of dried U. reticulata as a feeding stimulant into artificial feed and its effect on the gonad condition of the collector sea urchins, T. gratilla. Previously, starved sea urchins (ca. 66 mm diameter, n=7) was held in 80-l aquarium volume with flow through seawater system (6.25 l/hour inlet and outlet). Sea urchins were fed with diet containing 0, 10, 20, or 30% of dried U. reticulata (designated control, U-10, U-20, and U-30 respectively) ad libitum for 38 days. Each treatment was given 3 replicates. Survival rate, feed consumption, and gonad conditions (gonad index, biochemical composition of the gonad, gonad histology, and egg diameter) parameters were quantified and compared to sea urchins fed with the mixture of fresh macroalgae (Gracilaria lichenoides and Padina) and seagrass (Enhalus acoroides). The results showed that the addition of dried U. reticulata into artificial feed by 10% from feed weight (U-10) was the optimal dose recommended. Sea urchins treated U - 10 diet resulted in gonad index and egg diameter (5.02 % and 82.66 µm each), were higher than other diet treatments. However, this diet treatment was not able to homogenize the reproductive phase composition of T. gratilla. Keywords: Ulva reticulata, Feeding Stimulant, Tripneustes gratilla, Gonad Condition


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