Table 5.
Descriptive statistics for SB and TXSB lambs
| SB | TXSB | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Mean | SD | Minimum | Maximum | CV % | Mean | SD | Minimum | Maximum | CV % | |
| Slaughter weight, kg | 45.7 | 4.12 | 37.7 | 55.0 | 9.0 | 53.7 | 4.970 | 39.7 | 66.8 | 9.3 |
| ADG, g/day | 241 | 81.2 | 52.7 | 455.6 | 33.0 | 349 | 98.0 | 119.0 | 608 | 28.4 |
| Total Intake, kg/day* | 1.47 | 0.305 | 0.91 | 2.14 | 20.7 | 1.63 | 0.281 | 1.08 | 2.36 | 16.5 |
| FCR† | 6.74 | 2.436 | 3.31 | 13.99 | 36.1 | 5.17 | 1.212 | 3.25 | 11.5 | 23.4 |
| Dressing percentage, % | 45.5 | 2.243 | 40.44 | 51.28 | 4.9 | 47.9 | 2.398 | 41.5 | 54.6 | 5.0 |
| Carcass fat score‡ | 3.77 | 0.901 | 1.00 | 5.00 | 24.7 | 3.21 | 0.724 | 2.00 | 5.00 | 21.5 |
| Carcass conformation$ | 2.63 | 0.715 | 1.00 | 4.00 | 29.9 | 3.38 | 0.749 | 2.00 | 5.00 | 20.7 |
| Carcass weight, kg | 20.7 | 1.86 | 16.3 | 25.4 | 8.9 | 25.7 | 2.601 | 18.0 | 32.9 | 10.1 |
| Ultrasound fat, cm | 0.84 | 0.219 | 0.50 | 1.50 | 28.1 | 0.78 | 0.205 | 0.10 | 1.40 | 25.0 |
| Ultrasound muscle, cm | 3.05 | 0.241 | 2.56 | 3.61 | 8.2 | 3.25 | 2.750 | 2.77 | 4.18 | 8.2 |
*Total intake (fresh matter weight) = total concentrate intake.
†FCR calculated as total feed intake divided by total weight gain.
‡Carcass fat score = 1 to 5 scale (1 = low fat cover, 5 = excess fat tissue).
$Carcass conformation EUROP scale transformed to 5, 4, 3, 2, and 1, respectively.