Table 3. Effect of various light colors on duck blood composition at 6 weeks (Experiment 2)1.
| Treatments2 | PB (430–440 nm) |
BB (460–470 nm) |
SB3 (480–490 nm) |
GB (500–510 nm) |
PG (530–540) |
W (400–770 nm) |
SEM | P value |
|---|---|---|---|---|---|---|---|---|
| Alb (g/dl) | 2.232 | 2.087 | 2.208 | 2.209 | 2.231 | 2.214 | 0.019 | 0.268 |
| TP (g/dl) | 6.342 | 5.686 | 6.050 | 5.985 | 6.343 | 6.074 | 0.074 | 0.144 |
| Glu (mg/dl) | 131.654 | 143.561 | 128.985 | 127.194 | 122.092 | 127.83 | 3.284 | 0.620 |
| TG (mg/dl) | 242.516 | 229.048 | 232.749 | 257.693 | 249.220 | 260.215 | 6.955 | 0.707 |
| CHOL (mg/dl) | 278.792b | 300.882ab | 317.326ab | 312.645ab | 332.970a | 317.137ab | 4.262 | 0.015 |
| HDL (mg/dl) | 134.342 | 134.168 | 140.646 | 138.831 | 151.292 | 135.471 | 2.75 | 0.533 |
| LDL (mg/dl) | 106.35 | 121.39 | 131.83 | 122.27 | 131.66 | 129.25 | 2.65 | 0.074 |
| Serum enzyme activities | ||||||||
| AST (U/L) | 16.585 | 15.984 | 15.216 | 16.931 | 17.035 | 17.780 | 0.543 | 0.798 |
| ALT (U/L) | 35.423 | 38.502 | 36.734 | 36.650 | 36.936 | 37.709 | 1.026 | 0.980 |
| Bone mineral density | ||||||||
| BMD (g/cm2) | 0.206 | 0.219 | 0.213 | 0.205 | 0.219 | 0.213 | 0.002 | 0.344 |
1
Means of 10 birds selected from each treatment group (3 birds from each of the two pens and 2 birds from another two pens); SEM, standard error of the mean
a,b,c
values in a row with no common superscripts differ significantly (P<0.05)
2
PB, pure blue; BB bright blue;, SB, sky blue; GB, greenish blue; PG, pure green, W, white; ALB, albumin; TP, total protein; Glu, glucose; TG, triglycerides; CHOL, cholesterol; HDL, high density lipoprotein; LDL, low density lipoprotein; AST, aspartate aminotransferase; ALT, alanine aminotransferase BMD, bone mineral density