Effects of Dietary Fish Meal Replacement with Alternative Protein Ingredients and Their Combinations on Growth Performance, Feed Utilization, Fillet Composition, and Biochemical Parameters of Red Seabream (Pagrus major)

Table 4

Essential amino acid composition of ingredients (% of protein).

	Ingredients
	Tuna byproduct meal	Sardine fish meal	Pollock fish meal	Soy protein concentrate	Corn gluten	Meat meal	Chicken byproduct meal
Arg	6.2	6.3	6.8	7.3	3.0	7.6	7.4
His	3.7	3.0	2.4	2.9	2.1	2.2	2.5
Ile	3.9	4.2	3.7	4.0	3.2	2.4	2.1
Leu	7.3	8.0	7.3	7.7	15	5.4	6.7
Lys	7.8	9.0	8.1	6.6	2.0	5.8	6.5
Met + Cys	4.6	4.7	4.7	2.9	4.2	2.7	3.1
Phe	3.8	4.2	3.6	4.8	5.4	2.9	3.9
Thr	4.6	4.8	4.5	4.1	3.2	3.2	4.0
Val	5.4	5.4	4.9	4.7	4.2	4.1	3.4