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Preference of breeding substratum, embryonic development and seed production of honey gourami, Trichogaster chuna (Hamilton, 1822)-An indigenous ornamental fish in demand

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Title Preference of breeding substratum, embryonic development and seed production of honey gourami, Trichogaster chuna (Hamilton, 1822)-An indigenous ornamental fish in demand
 
Creator S. K. Swain
Sunil Kumar S. Ail
Mukesh kumar Bairwa
Satya Narayan Sahoo
 
Subject Breeding Nest,Embryonic development,Honey gourami,larval rearing
 
Description Not Available
The natural stock of Trichogaster chuna (Hamilton, 1822) are gradually declining due to destruction of its habitat and over fishing, continuous exploitation of their wild populations might endanger them. This article evaluates breeding performance of honey gourami using different substratum for nest building, embryonic development and larval rearing in indoor aquarium at different stocking densities. Two hundred numbers of Trichogaster chuna of mean length 34.25 ? 3.06 mm and weight 1.09 ? 0.27 g were procured from ornamental fish traders. Broodstock raising of honey gourami was carried out using mixed zooplankton and live tubifex along with floating pellets thrice a day. Five treatments in triplicates to evaluate the breeding performance with different breeding substratum namely, bermuda grass (Cynodon dactylon), hydrilla (Hydrilla verticillata), cut banana leaf, eichornia plants (Eichhornia crassipes) and thermocol (polystyrene). Better breeding results were seen in Bermuda grass followed by hydrilla and banana leaf in the case of number of eggs released and hatchlings produced. Embryonic development stages were observed and characteristics of each stage were noted. The final mean length, mean weight, length gain, weight gain, specific growth rate survival rate and non specific immune parameters were significantly higher at larvae grown at 2 and 3 nos./ litre reared for 45 days compared to 4 and 5 nos./litre (P < 0.05).
 
Date 2021-10-28T12:03:49Z
2021-10-28T12:03:49Z
2021-9-15
 
Type Research Paper
 
Identifier Not Available
0044-8486
http://krishi.icar.gov.in/jspui/handle/123456789/66463
 
Language English
 
Publisher Not Available