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 93

TABLE 10Changes in total production (thousand tonnes) of cultured marine finfish species in Asia-Pacific from 1995 to 2004 and the esti

mated trash fish/low-value fish used (ETFU)

(% use) for each species at conversion efficiencies of 6 and 10

*

Species

% use

1995

1996

1997

1998

1999

Prod.

ETFU

Prod.

ETFU

Prod.

ETFU

Prod.

ETFU

Prod.

ETFU

6

10

6

10

6

10

6

10

6

10

Barramundi

40

10

24

40

14

33

54

13

30

50

16

39

65

19

45

74

Amberjack, mackerel, etc.

0

178

0

0

152

0

0

145

0

0

154

0

0

148

0

0

Flatfishes

0

14

0

0

17

0

0

35

0

0

30

0

0

29

0

0

Cobia

30

0

0

0

0

0

0

0

0

0

1

2

3

1

1

2

Seabass

10

4

2

4

6

3

6

6

4

6

9

5

9

13

8

13

Seabream

10

86

52

86

91

54

91

97

58

97

101

61

101

107

64

107

Snappers

50

3

8

13

3

10

16

2

6

11

2

6

10

2

6

10

Groupers

80

5

24

40

5

26

43

6

28

47

6

28

47

9

41

68

Other marine finfishes

50

162

484

809

199

597

996

285

856

1 426

339

1 018

1 695

367

1 100

1 834

Total

462

594

992

487

723

1 206

589

982

1 637

658

1 159

1 930

695

1 265

2 108

*Fish used as feed in “tuna fattening” in Australia are not included. Source:

FAO (2006a)

TABLE 10

continued

Species

% use

2000

2001

2002

2003

2004

Prod.

ETFU

Prod.

ETFU

Prod.

ETFU

Prod.

ETFU

Prod.

ETFU

6

10

6

10

6

10

6

10

6

10

Barramundi

40

17

42

69

23

56

93

22

52

87

24

57

95

25

60

99

Amberjack, mackerel, etc.

0

144

0

0

160

0

0

170

0

0

176

0

0

169

0

0

Flatfishes

0

21

0

0

23

0

0

30

0

0

82

0

0

103

0

0

Cobia

30

3

5

8

3

6

10

2

4

7

21

37

62

20

37

61

Seabass

10

19

11

19

17

10

17

17

10

17

104

62

104

110

66

110

Seabream

10

107

64

107

95

57

95

95

57

95

162

97

162

165

99

165

Snappers

50

4

11

18

3

8

14

2

7

11

3

10

16

4

13

22

Groupers

80

10

46

77

13

62

103

23

108

180

53

253

422

58

278

464

Other marine finfishes

50

456

1 367

2 278

525

1 575

2 624

601

1 802

3 003

351

1 055

1 758

370

1 110

1 849

Total

781

1

546

2 576

862

1 774

2

956

962

2 040

3 400

976

1 571

2 619

1 024

1 663

2 770

Source:

FAO (2006a)