• Proximate Analysis Of Clam (bivalvia Species)

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    • The proximate analysis of clam (bivalvia species) were studied. Freshly caught samples were purchased from Okwagbe waterside while cultured clams were harvested from the Department of Fisheries experimental tanks after culture for eight weeks. Data obtained in triplicates was subjected to analysis of variance.
      The proximate composition of cultured Bivalvia specieswas significantly different (p<0.05) from the wild. The highest essential amino acid was leucine (cultured clams) and the lowest threonine (wild clams) while the highest non-essential amino acid was glutamic acid in the cultured clams and the lowest was proline in the clams from the wild. Amino acid in cultured clams significantly differed (p<0.05) from those in the wild. Higher concentrations were found for calcium, potassium and magnesium in soft tissues and sodium in shell for wild samples except zinc in both soft tissues and shell and sodium in soft tissue for cultured samples.
      There was significant difference (p<0.05) in the concentration of minerals in both the soft tissue and shell of cultured and wild clams. The higher proximate and amino acid composition in cultured clams and higher metal concentrations in the wild reinforce the fact that clams are rich sources of animal proteins and trace metals. 

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    • CHAPTER ONE - [ Total Page(s): 1 ]Nigeria is among the protein and minerals deficient nations in the world. A sufficient amount of dietary protein, required for survival, growth and development, reproduction and maintenance of good health, is in short supply in the country. To salvage this situation, shellfish can serve as an alternative source of proteins and minerals for man. Shellfishes are aquatic invertebrates with shells. They can be divided into two groups namely; molluscs and crustaceans. Examples of molluscs are cephalo ... Continue reading---