Induced Breeding and Larval Rearing of Snow Trout (Schizothorax niger Heckel) in Kashmir Himalaya with the Application of Ovatide
Induced Breeding and Larval Rearing of Snow Trout (Schizothorax niger Heckel) in Kashmir Himalaya with the Application of Ovatide
Date
2014
Authors
Najar, A.M
Bhat, F.A
Balkhi, M.H
Samoon, M.H
Dar, Shabir A.
Wani, G.B
Journal Title
Journal ISSN
Volume Title
Publisher
Society of Fisheries Technologists (India)Cochin
Abstract
Induced breeding was carried out successfully in
Schizothorax niger with the application of synthetic
hormone, ovatide. This is the first report of induced
breeding of snow trout from Kashmir waters
through use of any hormone preparation. The male
and female brooders were injected with calculated
doses of ovatide at the rate of 0.5 ml kg-1 body
weight of female brooders and 0.3 ml kg-1 body
weight of male respectively. The brooders responded
well to the hormone and spawned within
the breeding pool. A fertilization rate of 85% was
achieved. Hatchability rate was around 65%. The
juveniles were initially fed with skimmed milk
powder and emulsified hen egg yolk in the ratio of
1:1, supplemented later with live zooplankton. On
rearing, the fry attained a size of 25 mm and average
body weight of 130 mg during a period of 90 days
with a cumulative survival rate of 60% from
fertilized eggs to swim up fry.
Description
Keywords
Induced breeding, seed production, conservation, ovatide, Schizothorax niger
Citation
Fishery Tech 51(1):8-12