Table 4. Aortic wall measurements over time of LD and Ross chicken lines.
| Age (days) | Line (n) | Wall thickness of aorta (mm) | Layers of aortic wall | Intima:media:adventitia ratio | |||
|---|---|---|---|---|---|---|---|
| Int thickness (μm) | Med thickness (μm) | Adv thickness (μm) | Med:Int | Adv:Int | |||
| Mean ± SEM | Mean ± SEM | Mean ± SEM | Mean ± SEM | Mean ± SEM | Mean ± SEM | ||
| 1 | Ross (6) | 0.47 ± 0.01 | 2.14 ± 0.05 | 456 ± 12.77 | 12.98 ± 0.25 | 212.9 ± 3.25 | 6.1 ± 0.1 |
| LD (6) | 0.43 ± 0.06 | 2.29 ± 0.05 | 440.48 ± 61.87 | 12.99 ± 0.07 | 191.12 ± 24.8 | 5.7 ± 0.13 | |
| 7 | Ross (6) | 0.6 ± 0.05 | 2.48 ± 0.08 | 623.55 ± 45.65 | 13.06 ± 0.1 | 250.1 ± 13.94 | 5.3 ± 0.18 |
| LD (6) | 0.59 ± 0.04 | 2.42 ± 0.07 | 571.03 ± 39.86 | 13.01 ± 0.07 | 236.6 ± 16.83 | 5.35 ± 0.15 | |
| 14 | Ross (6) | 0.8 ± 0.02 | 2.57 ± 0.04 | 781.28 ± 20.56 | 13.19 ± 0.1 | 303.8 ± 5.83 | 5.14 ± 0.11 |
| LD (6) | 0.63 ± 0.02 | 2.68 ± 0.06 | 611.55 ± 23.88 | 13.23 ± 0.05 | 228.83 ± 7.6 | 5 ± 0.11 | |
| 19 | Ross (6) | 0.87 ± 0.05 | 2.75 ± 0.07 | 852.02 ± 47.65 | 13.26 ± 0.06 | 312.2 ± 22.33 | 4.84 ± 0.12 |
| 21 | Ross (6) | 0.92 ± 0.04 | 2.71 ± 0.05 | 904.69 ± 37.91 | 13.15 ± 0.07 | 344.5 ± 10.3 | 4.83 ± 0.09 |
| LD (6) | 0.69 ± 0.03 | 2.82 ± 0.08 | 673.86 ± 43.65 | 13.20 ± 0.11 | 239.46 ± 16,83 | 4.7 ± 0.14 | |
| 25 | Ross (6) | 0.95 ± 0.05 | 2.85 ± 0.05 | 934.58 ± 55.56 | 13.39 ± 0.11 | 322.31 ± 20.81 | 4.7 ± 0.11 |
| 28 | Ross (6) | 0.99 ± 0.04 | 2.81 ± 0.03 | 970.28 ± 39.92 | 13.19 ± 0.1 | 344.56 ± 11.56 | 4.7 ± 0.07 |
| LD (6) | 0.77 ± 0.05 | 2.71 ± 0.04 | 752.6 ± 49.48 | 13.44 ± 0.12 | 277.52 ± 16.7 | 5 ± 0.05 | |
| 32 | Ross (6) | 0.94 ± 0.04 | 2.79 ± 0.06 | 927.25 ± 37.45 | 13.42 ± 0.07 | 331.58 ± 9.7 | 4.82 ± 0.11 |
| LD (6) | 0.73 ± 0.03 | 2.77 ± 0.02 | 737.60 ± 28.36 | 13.33 ± 0.12 | 266.3 ± 10.4 | 4.81 ± 0.04 | |
| 35 | Ross (6) | 1.01 ± 0.03 | 2.88 ± 0.06 | 969.49 ± 33.6 | 13.2 ± 0.05 | 336.6 ± 19 | 4.6 ± 0.1 |
| LD (6) | 0.75 ±0.01 | 2.89 ± 0.1 | 737.02 ± 13.57 | 13.46 ± 0.1 | 256.18 ± 9.62 | 4.7 ± 0.16 | |
| 42 | LD (6) | 0.88 ± 0.03 | 3.12 ± 0.05 | 867.48 ± 28.81 | 13.67 ± 0.07 | 279.1 ± 12.76 | 4.4 ± 0.1 |
| 49 | LD (6) | 0.87 ± 0.02 | 3.17 ± 0.07 | 855.24 ± 3 | 13.94 ± 0.08 | 271.13 ± 14.74 | 4.4 ± 0.12 |
| 56 | LD (6) | 0.93 ± 0.04 | 3.18 ± 0.04 | 915.73 ± 46.83 | 13.96 ± 0.12 | 288.6 ± 14.3 | 4.4 ± 0.1 |
| 63 | LD (6) | 0.9 ± 0.03 | 3.16 ± 0.01 | 878.22 ± 34.37 | 13.98 ± 0.07 | 278.1 ± 10.8 | 4.43 ± 0.02 |
Adv: tunica adventitia; Int: tunica intima; LD: Lohmann Dual; Line: genetic line; Med: tunica media; n: animal number; Ross: Ross 308; SEM: standard error of the mean.