Elements % Crude protein 68.0 Lysine 5.44 Methionine 2.04 Methionine±Cystine 2.72 Tryptophane 0.75 Arginine 4.01 Histidine 1.56 Phenylalanine 2.79 Threonine 2.79 Valine 3.33 Leucine 5.10 Isoleucine 2.99

Table 2: The protein and indispensable amino acids content in fish flour produced of fresh anchovy sprat