Seasonal variation in the biochemical composition of Mytilus viridis at Ratnagiri on the West Coast of India |
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Authors: | R. Nagabhushanam U. H. Mane |
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Affiliation: | 1. Department of Zoology, Marathwada University, Aurangabad 431 004, Maharashtra, India
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Abstract: | - The seasonal variation in the water, protein, fat and glycogen contents of the mussel, Mytilus viridis has been studied for the year March, 1974 to March, 1975.
- The water level increased during the monsoon season and decreased in summer.
- The level of protein, fat and glycogen showed correlation with the reproductive cycle of the mussel.
- The protein level was high when the mussels were mature and dropped during the breeding period.
- During sex change from male to female in May the protein level remained high whereas during sex change from female to male in October and November it was low.
- The fat level was high in mature mussels and declined on spawning.
- The glycogen level was at its peak in immature mussels and low in mature.
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