Substitution effect of white radish (Raphanus sativus L.)’ by-product and tunic of sea squirt (Halocynthia rorentzi, von Drasche) for Undaria pinnatifida in feed of abalone (Haliotis discus, Reeve 1846)

Table 1 Feed ingredients in the experimental diets (%, dry matter basis)

	Experimental diets
Ingredients	Control	WRB	TSS	Undaria
Fish meal	20	20	20
Fermented soybean meal	12	12	12
Casein	5	5	5
Dextrin	22	22	22
Undaria powder (CP:14.9%, CL:2.7%)	15
White radish’ by-product (WRB) (CP: 21.6%, CL: 1.3%)		15
Tunic of sea squirt (TSS) (CP: 28.5%, CL: 0.7%)			15
Squid liver oil	0.5	0.5	0.5
Soybean oil	0.5	0.5	0.5
Sodium alginate	20	20	20
Vitamin premix^a	2	2	2
Mineral premix^b	3	3	3
Nutrient (%)
Dry matter	97.0	96.3	96.5	86.0
Crude protein	33.3	34.0	34.6	20.7
Crude lipid	3.1	3.3	3.2	0.8
Ash	12.8	12.6	12.1	36.1
Carbohydrate^c	50.8	50.1	50.1	42.4

^aVitamin premix contained the following amount which were diluted in cellulose (g/kg mix): excipient, 317; riboflavin, 23.8; pyridoxine, 4.7; niacin, 95.2; Ca-pantothenate, 33.3; inositol, 476.9; folic acid, 1.5; p-amino benzoic acid, 47.6
^bMineral premix contained the following ingredients (g/kg mix): excipient, 45.5; MgSO₄, 140.8; NaH₂PO₄, 92.4; KH₂PO₄, 246; Ca(H₂PO₄)₂, 139.5; ZnSO₄, 22.5; Ca-lactate, 310; AlCl₃, 0.15; KI, 0.15; MnSO₄, 2; CoCl₂, 1
^cCarbohydrate was calculated by the difference (100 − % crude protein − % crude lipid − % ash)

ISSN: 2234-1757