Table 5. Sequence of feeds used for different size groups of
Gilthead seabream and their average proximate composition |
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Diameter |
BW (g) |
CP, % |
CF, % |
NFE, % |
Ash, % |
Fibre, % |
P, % |
DE, kj/g |
DP/DE (g/kJ) |
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90�400 �m |
Co-feeding� |
62�72 |
8�12 |
15 |
<12 |
<0.5 |
1.6 |
17�19 |
30�34 |
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80�300 �m |
Weaning |
62�66 |
11 |
15 |
<13 |
<0.7 |
1.7 |
18�19 |
30�31 |
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0.5 mm |
0.3�0.5 |
58 |
15 |
10 |
<11 |
<0.5 |
1.6 |
18�19 |
28�29 |
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0.8 mm |
0.5�1.0 |
56 |
18 |
9.5 |
11 |
<0.5 |
1.6 |
19 |
28�29 |
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1 mm |
1�3 |
56 |
18 |
9.5 |
10 |
<0.5 |
1.6 |
19 |
28�29 |
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1.5�1.8 mm |
2�7 |
50�53 |
16�18 |
11 |
10 |
1 |
1.6 |
18�19 |
24�26 |
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2.2 mm |
7�30 � |
50�53 |
16�17 |
12�15 |
<11 |
<1.5 |
1.5�1.6 |
18�19 |
23�24 |
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3.2 mm |
25�50 � |
45�48 |
17�18 |
12�15 |
<11 |
<2 |
1.3�1.4 |
18�19 |
23�24 |
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4 mm |
50�150 � |
43�47 |
13�20 |
12�16 |
<10 |
<2 |
1.3�1.4 |
17�19 |
20�21 |
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5.5�6 mm |
150�400 � |
43�47 |
13�20 |
12�17 |
<10 |
<2 |
1.3�1.4 |
17�19 |
20�21 |
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6�8 mm |
400�800 � |
43�47 |
13�20 |
15�17 |
<10 |
<2 |
1.3�1.4 |
17�19 |
20�21 |
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8�9 mm |
800�1 200 � |
46�50 |
13�19 |
15�17 |
<10 |
<2 |
1.3�1.5 |
17�19 |
21�22 |
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9�10 mm |
>1 200� |
46�50 |
13�19 |
15�17 |
<10 |
<2 |
1.3�1.5 |
17�19 |
21�22 |
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Source: Different feed company charts (Biomar, Le
Gouessant, Skretting) |
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BW = body weight; CP= crude protein; CF= crude fat; NFE=
nitrogen free extract; P= phosphorus; DE= digestible energy; DP = digestible
protein; kJ= kilo joules |
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