Table 1. Ingredients of the experimental diets containing various concentrations of jack mackerel meal (JMM) (DM basis %)

	Experimental diets
	JMM0	JMM1	JMM3	JMM5	JMM10
Ingredients (%)
Anchovy meal1) (CP: 72.3%, CL: 9.7%)	55	54	52	50	45
Jack mackerel meal (JMM)1) (CP: 74.2%, CL: 8.6%)		1	3	5	10
Fermented soybean meal2)	10.5	10.5	10.5	10.5	10.5
Wheat flour	23	23	23	23	23
Fish oil	4.5	4.5	4.5	4.5	4.5
Soybean oil	4.5	4.5	4.5	4.5	4.5
Vitamin premix3)	1	1	1	1	1
Mineral premix4)	1	1	1	1	1
Choline	0.5	0.5	0.5	0.5	0.5
Nutrients (%)
Dry matter	95.9	96.1	96.0	96.1	96.1
CP	52.1	52.0	52.0	52.0	52.0
CL	15.7	15.5	15.6	15.8	15.7
Ash	10.5	10.4	10.4	10.4	10.5

Anchovy meal (US$ 1,750–1,800 /ton) and ¹⁾ jack mackerel meal (JMM) (US$ 2,450–2,500 /ton) were bought from Abank (Seoul, Korea).
Fermented soybean meal was supplied by CJ CheilJedang (Seoul, Korea).
Vitamin premix contained the following amount which were diluted in cellulose (g/kg mix): L-ascorbic acid, 121.2; DL-α-tocopheryl acetate, 18.8; thiamin hydrochloride, 2.7; riboflavin, 9.1; pyridoxine hydrochloride, 1.8; niacin, 36.4; Ca-D-pantothenate, 12.7; myo-inositol, 181.8; D-biotin, 0.27; folic acid, 0.68; p-aminobenzoic acid, 18.2; menadione, 1.8; retinyl acetate, 0.73; cholecalciferol, 0.003; cyanocobalamin, 0.003.
Mineral premix contained the following ingredients (g/kg mix): MgSO₄ ∙ 7H₂O, 80.0; NaH₂PO₄ · 2H₂O, 370.0; KCl, 130.0; ferric citrate, 40.0; ZnSO₄ · 7H₂O, 20.0; Ca-lactate, 356.5; CuCl, 0.2; AlCl₃ · 6H₂O, 0.15; KI, 0.15; Na₂Se₂O₃, 0.01; MnSO₄ · H₂O, 2.0; CoCl₂ · 6H₂O, 1.0.
CP, crude protein; CL, crude lipid.