Seasonal variations in the chemical composition and caloric content of mugil cephalus linnaeus from the Goa waters

H.P. Das

Abstract



Biochemical components such as carbohydrate, protein, fat, ash, moisture and energy content in Mugil cephalus L. were studied from the Goa waters during the year 1977. The size range studied was from 270 mm to 340 mm. These components varied seasonally in relation to reproductive cycle of the fish. There was a significant correlation between moisture and carbohydrate, moisture and protein, moisture and ash, carbohydrate and protein, carbohydrate and the total composition, fat and ash, fat and the total composition, fat and energy content and energy content and ash. Males had a lower average caloric value than the females. Body energy reserves were found to be highest during the monsoon months with a peak in August. Sexually mature specimens showed an accumulation of energy before the commencement of spawning

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