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Growth and production potential of young grouper Epinephelus tauvina (Forskal) reared in fixed net cages

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Relation http://eprints.cmfri.org.in/965/
 
Title Growth and production potential of young grouper Epinephelus tauvina (Forskal) reared in fixed net cages
 
Creator Ameer Hamsa, K M S
Mohamad Kasim, H
 
Subject Mariculture
Groupers
 
Description Growth of Epinephelus tauvina was studied in the fixed cage culture system in Mandapam (Gulf
of Mannar) coastal waters employing net cages of 5 x 5 x 2 m dimension made of HDPE net material
with 20 mm mesh size. The fishes were fed with trash-fish once in 2 days arid the culture period varied
from 163 days to 334 days. The average growth increment in length was 145.5 mm in 8.71 months
at the rate of 16.3 mm/month and the average growth increment in weight was 413.9 g at the rate of
47.5 g/month. The basic growth data were subjected to various statistical analysis and different para-
meters have been estimated. The asymptotic growth Loc is 671 mm, the growth constant K is 0.4619
and the age at 0 k*gth t«^is assumed to be O. The life span is estimated to be 10.7 yrs and the natural
mortality coefficient M is 0.4333 at 1 % survival level. The optimum age for harvesting is estimated
to be 3 yrs and the optimum culture period which can yielo the highest production for this species
is 28 months for the prevailing age at stocking of 8 months. The cost and return of this culture
technique is also discussed.
 
Publisher MBAI
 
Date 1992
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
Identifier http://eprints.cmfri.org.in/965/1/JMBAI_34-271-276_Hamsa.pdf
Ameer Hamsa, K M S and Mohamad Kasim, H (1992) Growth and production potential of young grouper Epinephelus tauvina (Forskal) reared in fixed net cages. Journal of the Marine Biological Association of India, 34 (1&2). pp. 271-277.