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Feed composition
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FW-Ref
|
FW-Test
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SW1-Ref
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SW1-Test
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SW2-Ref
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SW2-Test
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SW3-Ref
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SW3-Test
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|---|
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Ingredients (%)
|
|
Marine protein sourcesb
|
40
|
40
|
30
|
30
|
19
|
19
|
19
|
19
|
|
Plant protein sourcesc
|
35
|
35
|
39
|
39
|
53
|
53
|
53
|
53
|
|
North Atlantic fish oil
|
9
|
9
|
24
|
24
|
10
|
10
|
10
|
10
|
|
Rapeseed oil
|
9
|
9
|
–
|
–
|
7
|
7
|
7
|
7
|
|
Binders & Micronutrients
|
7
|
7
|
7
|
7
|
11
|
11
|
11
|
11
|
|
Sum
|
100
|
100
|
100
|
100
|
100
|
100
|
100
|
100
|
|
Nutrient composition (%)
|
|
Crude protein
|
44
|
44
|
44
|
44
|
46
|
46
|
46
|
46
|
|
Crude fat
|
22
|
22
|
28
|
28
|
22
|
22
|
22
|
22
|
|
Starch
|
7.5
|
7.5
|
8
|
8
|
10
|
10
|
10
|
10
|
|
Crude fiber
|
1.5
|
1.5
|
3
|
3
|
3
|
3
|
3
|
3
|
|
Ash
|
7
|
7
|
6
|
6
|
5
|
5
|
5
|
5
|
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Functional ingredientsd
|
|
Essential fatty acids
|
–
|
–
|
–
|
√
|
–
|
√
|
–
|
√
|
|
Nucleotides
|
–
|
√
|
–
|
√
|
–
|
√
|
–
|
√
|
|
Yeast cell walls
|
–
|
–
|
–
|
–
|
–
|
√
|
–
|
–
|
|
A prebiotic
|
–
|
–
|
–
|
–
|
–
|
–
|
–
|
√
|
- aThe composition of four different basic diets varied throughout the time of observation following the strategy developed for this commercial site according to the development and production and health of the fish in the farm. At each observation time, two series of diets were fed, one without functional ingredients (Ref diet) and one with functional ingredients (Test diet). FW, sampling time point in freshwater (May 2016); SW1, the first seawater sampling time point (June 2016); SW2 the second seawater sampling time point (November 2016); SW3, the final seawater sampling time point (April 2017). bMix of Scandinavian origin fish meal and, Fish protein concentrate (Norway). cMix of soy protein concentrate, wheat protein concentrate, wheat gluten, sunflower meal. dInclusion levels were determined according to recommendations from the producers and cannot be disclosed due to commercial interests and intellectual rights
