| |
Experimental diets
|
|---|
|
FO
|
LO
|
SO
|
Lard
|
|---|
|
IBW1
|
1.8 ± 0.02
|
1.8 ± 0.02
|
1.7 ± 0.01
|
1.8 ± 0.02
|
|
FBW2
|
11.6 ± 0.3
|
10.9 ± 0.3
|
10.3 ± 0.03
|
10.7 ± 0.4
|
|
WG3
|
549 ± 20
|
524 ± 18
|
503 ± 1
|
499 ± 13
|
|
SGR4
|
2.23 ± 0.04
|
2.18 ± 0.04
|
2.14 ± 0.00
|
2.13 ± 0.03
|
|
DFI5
|
2.54 ± 0.10a
|
2.50 ± 0.06a
|
2.81 ± 0.02b
|
2.72 ± 0.04ab
|
|
DPI6
|
1.44 ± 0.06
|
1.42 ± 0.03
|
1.57 ± 0.01
|
1.53 ± 0.02
|
|
FE7
|
69.1 ± 3.2
|
69.1 ± 2.3
|
61.4 ± 0.8
|
62.5 ± 1.2
|
|
PER8
|
1.44 ± 0.06
|
1.45 ± 0.04
|
1.31 ± 0.01
|
1.34 ± 0.02
|
|
Survival (%)
|
98.7 ± 1.33
|
97.3 ± 1.33
|
98.7 ± 1.33
|
98.7 ± 1.33
|
|
CF9
|
1.14 ± 0.11
|
1.41 ± 0.06
|
1.17 ± 0.02
|
1.14 ± 0.11
|
|
HSI10
|
2.06 ± 0.10
|
3.04 ± 0.57
|
2.47 ± 0.28
|
2.24 ± 0.09
|
|
VSI11
|
9.93 ± 0.73
|
10.42 ± 0.50
|
9.65 ± 0.74
|
8.95 ± 0.30
|
- Values are mean of triplicate groups and presented as mean ± SE. Values with different superscripts in the same row are significantly different (P < 0.05). The lack of superscript letter indicates no significant differences among treatments
- FO fish oil, LO linseed oil, SO soybean oil
- 1Initial mean body weight (g)
- 2Final mean body weight (g)
- 3Weight gain (%) = [(final bodyweight – initial bodyweight)/initial body weight] × 100
- 4Specific growth rate (%/day) = [( ln final bodyweight – ln initial bodyweight]/days] × 100
- 5Daily feed intake (%) = {total dry feed consumed (g)/[(initial fish weight + final fishweight + dead fishweight) × days/2]} × 1006Daily protein intake (%) = {total protein consumed (g)/[(initial fishweight + final fishweight + dead fishweight) × days/2]} × 100
- 7Feed efficiency (%) = (wet weight gain (g)/total dry feed consumed (g)) × 100
- 8Protein efficiency ratio = wet weight gain (g)/total protein consumed (g)
- 9Condition factor (%) = [fish body weight/(total length of fish) (cm)3] × 100
- 10Hepatosomatic index (%) = (liver weight (g)/fish body weight) × 100
- 11Viscerosomatic index (%) = (viscera weight (g)/fish body weight) × 100
