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Effect of different organic manures and salinity levels on greenhouse gas emission and growth of common carp in aquaculture systems.

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Title Effect of different organic manures and salinity levels on greenhouse gas emission and growth of common carp in aquaculture systems.
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Creator Naskar S, Pailan GH, Datta S, Sawant PB, Bharti VS
 
Subject Cyprinus carpio, GHG emission, humic acid, organic manures, salinity
 
Description Not Available
A study was conducted to evaluate the effect of three different organic manures and salinity levels on production of greenhouse gases (GHGs) and their interactive effects on growth and physiological parameters of common carp (Cyprinus carpio) in peri-urban aquaculture tank system. The experiment had 3 × 3 factorial design with three types of organic manures, that is humic acid, FMGY (fermented boiled rice, molasses, groundnut oil cake and yeast) and cow dung tested in combination with three differ-ent salinity levels, that is 0.2, 2.5 and 5.0 g/L in triplicates. C. carpio fingerlings (aver-age weight and length of 7 g and 7.15 cm respectively) were distributed to 27 number of 1000-litre FRP tanks (nine treatments with triplicates) containing 10 fish per tank. Fish were maintained for an experimental period of 180 days with a diet contain-ing 30% crude protein. GHG estimation was done on 120th, 150th and 180th days at 30-day interval by collecting gaseous sample following floating chamber method. Lowest GHG emission (917.73) CO2 equivalent (mg m−2 h−1) was recorded in T3 treat-ment (humic acid + 5 g/L salinity). Highest fish growth was evident in T2 treatment (humic acid with 2.5 g/L salinity). GaSI and HSI were higher in treatment T2. Lowest stress parameters (plasma glucose and serum cortisol) were recorded in T4 treatment (FMGY with 0.2 g/L salinity). In terms of GHG emission, growth and bio-indices in C. carpio tank rearing, humic acid is the best organic manure at less than 5 g/L water salinity.
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Date 2022-06-16T07:14:19Z
2022-06-16T07:14:19Z
2020-11-21
 
Type Research Paper
 
Identifier Not Available
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http://krishi.icar.gov.in/jspui/handle/123456789/72670
 
Language English
 
Relation Not Available;
 
Publisher WILEY