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On the maturity of Sardinella dayi Regan in Karwar Region (West coast of India)

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Relation http://eprints.cmfri.org.in/311/
 
Title On the maturity of Sardinella dayi Regan in Karwar
Region (West coast of India)
 
Creator Annigeri, G G
 
Subject Pelagic Fisheries
 
Description Study on spawning biology of Sardinella dayi Regan for 1979-83 period shows that the size at first maturity
is attained around 140 mm. For determining maturity and nature of spawning, condition factor (K) and
gonadosomatic index (GSI) were utilized. The spawning in this species is protracted and lasts from
October - December, and from January - May on a reduced scale. Relation of fecundity to length and
fecundity to weight when tested statistically showed better correlation in 1979 and 1980, than in the rest
of the years and the analysis of variance showed different rates of egg production during different years.
Studies on fecundity showed that generally 66,000 eggs are released by each individual in the spawning
act.
 
Publisher CMFRI/ICAR
 
Date 1989
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
Identifier http://eprints.cmfri.org.in/311/1/Article_04.pdf
Annigeri, G G (1989) On the maturity of Sardinella dayi Regan in Karwar Region (West coast of India). Indian Journal of Fisheries, 36 (3). pp. 193-198.