Table 1 Ingredient and proximate composition (g/kg) of the experimental diets.

From: Freshwater microalgae (Schizochytrium sp.) as a substitute to fish oil for shrimp feed

Ingredients

Experimental diets

1

2

3

4

5

6

7

8

Fishmeal

250

250

250

250

250

250

250

250

Soybean meal

397

397

397

397

397

397

397

397

Wheat meal

180

176

172

168

164

159

159

156

Wheat gluten

80

80

80

80

80

80

80

80

Fish oil

50

25

13

0

0

0

0

0

Linseed oil

0

0

0

4

8

8

0

0

Soybean oil

0

17

21

21

8

0

8

0

Algae meal (66% oil)

0

12

25

37

50

62

62

75

Cholesterol

2

2

2

2

2

2

2

2

Lecithin

5

5

5

5

5

5

5

5

DCP

15

15

15

15

15

15

15

15

MgSO4

6

6

6

6

6

6

6

6

KH2PO4

8

8

8

8

8

8

8

8

Vitamin C

1

1

1

1

1

1

1

1

Vitamin premixa

4

4

4

4

4

4

4

4

Mineral premixb

1

1

1

1

1

1

1

1

Choline chloride

1.5

1.5

1.5

1.5

1.5

1.5

1.5

1.5

Proximate composition (g/kg dry matter)

Moisture

136

116

123

109

121

122

117

117

Crude protein

407

384

381

377

385

389

392

396

Crude lipid

82

85

85

84

87

90

94

89

Crude ash

108

109

112

109

108

111

108

110

  1. aProvides per kg of diet: retinyl acetate (vitamin A), 3000 IU; cholecalciferol (vitamin D), 2400 IU; all-rac-α-tocopheryl acetate (vitamin E), 60 IU; menadione sodium bisulfite (vitamin K), 1.2 mg; ascorbic acid monophosphate (49% ascorbic acid, vitamin C), 120 mg; cyanocobalamine (vitamin B12), 0.024 mg; d-biotin, 0.168 mg; choline chloride, 1200 mg; folic acid, 1.2 mg; niacin, 12 mg; d-calcium pantothenate, 26 mg; pyridoxine, HCl, 6 mg; riboflavin, 7.2 mg; thiamin. HCl, 1.2 mg.
  2. bProvides per kg of diet: sodium chloride (NaCL, 3%Na, 61%CL), 3077 mg; ferrous sulfate (FeSO4·7H2O, 20% Fe), 65 mg; manganese sulfate (MnSO4, 36% Mn), 89 mg; zinc sulfate (ZnSO4·7H2O, 40% Zn), 150 mg; copper sulfate (CuSO4.5H2O, 25% Cu), 28 mg; potassium iodide (KI, 24% K, 76% I), 11 mg; celite AW521 (acid-washed diatomaceous earth silica, 1000 mg).