Aquaculture Nutrition

Research Article

Dietary Supplement of Microalgal Astaxanthin Extraction Improved Shell Pigmentation and Nutritional Value of Litopenaeus vannamei in an Indoor Industrial Aquaculture System

Table 1

The composition of the experimental feeds (g kg^-1).


Composition	Treatment and content
Composition	MAAE	Control

Fish meal	170	170
Soybean meal	261	261
Soybean oil	15	15
Fish oil	5	5
Vitamin mix^a	12	12
Mineral mix^b	17	17
MAAE	0.02	—
Crude protein	420	420
Crude lipid	60	60
Crude ash	150	150

Note: ^aVitamin mix (/kg feed): V_A, 300000 IU; V_B2, 480 mg; V_B6, 360 mg; B₁₂, 1.2 mg; V_B1, 20.0 mg; V_k, 20 mg; folic acid, 170 mg; biotin, 10 mg; VE, 3000 IU; inositol, 8000 mg; calcium pantothenate, 800 mg; niacin, 200 mg; choline chloride, 8000 mg; and VD, 40000 IU. ^bMineral mix (/kg feed): ZnSO₄·7H₂O 0.817 g; CaCO₃ 3.28 g; NaH₂PO₄ 2.96 g; KH₂PO₄ 6.752 g; CaCl₂ 1.3328 g; MgSO₄·7H₂O 1.6 g; KCl 0.448 g; AlCl₃·6H2O 0.0192 g; MnSO₄·(4/6) H₂O 0.229 g; CuCl₂ 0.52 g; FeSO₄·7H₂O 1.8 g; CoCl₂ 0.0282 g; and KI 0.031 g.