Effect of sailkite in improving trawl gear performance.
Effect of sailkite in improving trawl gear performance.
Date
1986
Authors
Boopendranath, M.R.
Subramonia Pillai, N.
Kunjipalu, K.K.
Krishna Rao, K.
Journal Title
Journal ISSN
Volume Title
Publisher
Society of Fisheries Technologis(India)
Abstract
Effectiveness of sailkite has been evaluated in two trawl designs, namely, a 25 m
high opening trawl and a 32 m large mesh demersal trawl, rigged with sailkite through
full scale comparative field trials. A 25 m high opening trawl showed significant increase
in total catch by 54.4% ribbon fish (Trichiurus spp.) alone by 138.3% with a reduction
in miscellaneous catch, comprising mostly small sciaenids and juvenile fish, by
13.2% while 32 m large mesh demersal trawl showed an improvement in total catch
by 9% , ribbon fish by 17.2% and miscellaneous catch by 7.7%. The difference in
fishing performance between the two gear arrangements has been attributed to
changed net mouth configuration because of higher head line lift and also the
possible herding effect on the fish in the vicinity of trawl mouth, due to addition of
sailkite.
Description
Keywords
Citation
Fish Technol.23(1):45-48