Nutritional composition of available freshwater fish species from homestead ponds of Patuakhali, Bangladesh
2023
Kanij Rukshana Sumi | Md. Rajib Sharker | Md. Rubel | Md. Shariful Islam
The purpose of this study was to analyze the proximate composition and mineral contents of available freshwater fish species from homestead ponds of Patuakhali. Eleven (11) different species of freshwater fish were collected. The moisture content of analyzed fish species ranged from 65.46 to 76.82 %. Significantly higher content of protein was found in Channa striatus and Anabas testudineus and lipid and ash was found in A. testudineus. However, protein and lipid content were significantly low in Esomus bengalensis and Notopterus notopterus, respectively. The lowest content of ash was experienced in Wallago attu and Heteropneustes fossilis. The higher concentration of calcium (Ca), sodium (Na), phosphorous (P) were obtained from Colisa fasciata. The magnesium (Mg), potassium (K), and sulpher (S) content were high in C. striatus, H. fossilis, and N. notopterus, respectively. The lowest content of Ca and Mg was obtained from A. testudineus. Lower content of Na and K was found in E. bengalensis. P and S content was low in C. punctatus. The PCA biplot analysis showed positive and negative relations between fish species for both proximate composition and mineral contents. Therefore, homestead ponds of the coastal area could be a habitat for multiple fish species and a good source of household nutrition.
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