Proximate and mineral composition of whole body , flesh and exoskeleton of male and female common West African fresh water crab Sudananautes africanus africanus
Treść / Zawartość
The proximate and mineral composition of the whole body (edible parts), flesh and exoskeleton of the male and female common West African fresh water crab Sudananautes africanus africanus were determined on a dry weight basis. In the exoskeleton and flesh, the protein, fat, the percentage utilizable energy due to protein and metabolizable energy were all of higher concentration in male than in female. Among the three samples the trace elements of Co, Fe, Ni, Mn and Zn were reasonably concentrated but Cu was not detected. In all the samples the Ca/P ratio was poor with values that ranged from 0.08 to 0.20 whereas that of Na/K was high with values of 0.86 to 1.35. Fcalculated > Ftable at p<0.05 in proximate composition of male and female in exoskeleton, flesh, whole body; in mineral composition in male and female in exoskeleton, flesh, whole body; and in the mineral ratio in the flesh of male and female samples.
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