Nursery rearing of kalbasu, Labeo calbasu (Hamilton), at different stocking densities in outdoor concrete tanks

被引:10
|
作者
Sahu, Pradeep Kumar [1 ]
Jena, Joykrushna [1 ]
Das, Pratap Chandra [1 ]
机构
[1] Cent Inst Freshwater Aquaculture, Bhubaneswar 751002, Orissa, India
关键词
Labeo calbasu; fry; concrete nursery; stocking density; growth; survival;
D O I
10.1111/j.1365-2109.2006.01648.x
中图分类号
S9 [水产、渔业];
学科分类号
0908 ;
摘要
The growth and survival of kalbasu, Labeo calbasu, was evaluated at stocking densities of 5, 10 and 15 million spawn ha(-1) in nursery rearing in concrete tanks of 50 m(2), each for a period of 25 days. Survival of fry was density dependent and significantly higher (54.5%) at 5 million ha(-1) than those at 10 million ha(-1) (50.1%) and 15 million ha(-1) (46.9%). Similarly, growth and specific growth rate were inversely related to the stocking density and varied significantly among the three densities.
引用
收藏
页码:188 / 192
页数:5
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