| 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