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Biofilm formed on different natural substrates enhances the growth and survival in Macrobrachium rosenbergii (De Man 1879) juveniles.

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Title Biofilm formed on different natural substrates enhances the growth and survival in Macrobrachium rosenbergii (De Man 1879) juveniles.
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Creator Jesna PK,
Pillai BR,
Pradhan H
Nayak N
 
Subject Biofilm formed
 
Description Not Available
An experiment of 65 days duration was conducted to study the effect of biofilm formed on different natural substrates at different substratum densities on the growth and survival of juveniles of freshwater prawn Macrobrachium rosenbergii (de Man, 1879). Natural substrates like dried paddy straw and cut grass were evaluated as substratum for biofilm production. The experiment was conducted in fiber glass tanks of 500 l capacity. The study comprised six treatments viz., dried paddy straw at 60 (T1); 120 (T2) and 240 (T3) g tank-1 and cut grass at 60 (T4) and 120 (T5) g tank-1 , each with three replicates following a completely randomised design. Prawn juveniles reared without any substratum acted as control. Ten days after the introduction of substratum in the tanks, prawn juveniles (2.01 g±0.37) were stocked at a density of 40 m-³. The juveniles were fed with 2 mm commercial pellet feed (30% protein) at 5% of the biomass. No water exchange was done in the treatment tanks whereas in control tanks 50% water exchange was done once every week. The study revealed significantly (p
Not Available
 
Date 2019-12-04T04:22:02Z
2019-12-04T04:22:02Z
2018-01-01
 
Type Research Paper
 
Identifier Not Available
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http://krishi.icar.gov.in/jspui/handle/123456789/26818
 
Language English
 
Relation Not Available;
 
Publisher Not Available