Fish as feed inputs for aquaculture: practices, sustainability and implications

Use of wild fish and other aquatic organisms as feed in aquaculture in the Asia-Pacific 95

TABLE 11Estimated production (thousand tonnes) of cultured marine finfish species in Asia-Pacific for 2010 based on 10, 15 and 20 perce

nt increments and the corresponding prediction

on the estimated trash fish/low-value fish usage (ETFU) for each species group at conversion efficiency of 6 and 10

*

Species

Trash fish/low-value fish usage (%)

Estimated production and

corresponding

TF/LV fish use in

2004

Predicted production (at 10, 15 and 20% increments) and corresponding increase in TF/LV fish use in 2010

Estimated usage in

2004

Pr

edicted

usage in

2010

Production

ETFU

+10%

ETFU

+15%

ETFU

+20%

ETFU

6

10

6

10

6

10

6

10

Barramundi

40

20

25

60

99

27

33

55

29

34

57

30

36

60

Amberjack, mackerel, etc

0

0

169

0

0

186

0

0

194

0

0

202

0

0

Flatfishes

0

0

103

0

0

113

0

0

118

0

0

123

0

0

Cobia

30

15

20

37

61

23

20

34

24

21

35

25

22

37

Seabasses

10

5

110

66

110

121

36

61

127

38

63

132

40

66

Seabream

10

5

165

99

165

181

54

91

190

57

95

198

59

99

Snappers

50

25

4

13

22

5

7

12

5

7

12

5

8

13

Groupers

80

40

58

278

464

64

153

255

67

160

267

70

167

278

Other marine finfish species

50

25

370

1 110

1 849

407

610

1 017

426

639

1 063

444

666

1 110

Total

1 024

1 663

2 770

1 127

913

1 525

1 180

956

1 592

1 229

998

1 663

*The production obtained in “tuna fattening” is not included.Source:

Estimated use of trash fish/low-value fish and fish production for 2004 were adapted from Table 10.