CHEMICAL COMPOSITION OF FRESHWATER CRAYFISH {PROCAMBARUS CLARKII) AND ITS NUTRITIVE VALUE | ||||
| Egyptian Journal of Aquatic Biology and Fisheries | ||||
| Article 2, Volume 4, Issue 1, January 2000, Page 19-34 PDF (2.37 MB) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/ejabf.2000.1638 | ||||
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| Authors | ||||
| Mohamed Mona; Naglaa Geasa; Khadiga Sharshar; Emam Morsy. | ||||
| Department of Zoology, Faculty of Science, Tanta University, Egypt | ||||
| Abstract | ||||
| The chemical composition of flesh and carapace of the freshwater crayfish (Procambarus clarkii) was determined. The relationship between body weight, total length, yield of meat and carapace was established.Average chemical composition of the flesh of male was determined to be 7% moisture, 3.1% fat, 10-2% ash, 17.5% carbohydrate, 62.2% protein, calcium 2843 mg/lOOg, phosphorus 343.6 mg/lOOg; iron 11.7mg/100g, zinc 15.1mg/100g, Selenium 0.9 mg/ loog. The present study reveals that the higher protein content in muscle of males may be due to its faster growth rate than females. Moreover, it was indicated that the present investigated crayfish contains more phosphorus than fish and the carapace contains a higher values of iron, fat and carbohydrate than muscles. Thus, it is safely to conclude that the flesh of P. clarkii is recommended to stand as a source of animal protein for Egyptian citizens and its carapace can be used as a forage for animals, | ||||
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