Standardization of Stocking Density of Cyprinus Carpio Var. Koi (Linnaeus, 1758), Spawn Reared In Non- Aerated System
2018
Swain, Saroj Kumar | Sahoo, Sushreeta | Patra, Priyanka | Bairwa, Mukesh Kumar
In India, ornamental fish breeding and culturewithout aeration in rural areas is common. Anexperiment was conducted for 45 days to standardisethe stocking density of koi carp spawn rearing (4day old, length 7.58 ± 0.10 mm, weight 4.56 ± 0.98mg) in ferrocement tanks (300 l) without providingaeration. These spawn were fed with mixedzooplankton ad libitum. There were three treatmentswith different stocking densities viz., 2 number l-1(T1), 4 number l-1 (T2) and 6 number l-1 (T3)respectively. In present study, significantly higher(p<0.05) growth and survival rate was found in T1compare to other treatments. There was no significantdifference (p>0.05) in water quality parametersin different treatments. The results of present studyconcludes that stocking density of koi carp 2 numberl-1 spawn could be suggested for rearing to fry stagewithout aeration.
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