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. 2018 Jun 15;2(4):407–418. doi: 10.1093/tas/txy070

Table 4.

Least squares means for production and carcass traits for SB and TXSB rams and wethers including SEM

P value Breed Sex
Variable SB TXSB SEM P value Ram Wether SEM P value
Production traits
 Start weight, kg 36.9 41.2 0.26 <0.001 39.1 39.0 0.25 0.929
 Slaughter weight, kg 45.7 53.7 0.41 <0.001 50.5 48.9 0.41 <0.01
 ADG, g/d 241 349 7.0 <0.001 314 272 7.0 <0.001
 Total intake, kg* 53.7 59.4 0.79 <0.05 57.1 55.9 0.66 0.324
 ADG days 0–14, g/d 261 379 16.0 <0.001 324 316 14.0 0.417
 ADG days 15–36, g/d 236 316 11.0 <0.001 308 244 9.0 <0.001
 Daily intake day 0–14, kg/d 1.44 1.61 0.021 <0.001 1.52 1.53 0.022 0.414
 Daily intake day 15–36, kg/d 1.53 1.66 0.022 <0.001 1.62 1.52 0.010 <0.10
FCR, kg 6.74 5.17 0.201 <0.001 5.58 6.31 0.200 <0.05
Carcass traits
 Dressing percentage, % 45.4 47.9 0.215 <0.001 45.7 47.6 0.24 <0.001
 Carcass fat score 3.77 3.21 0.096 <0.001 3.07 3.91 0.077 <0.001
 Carcass conformation score$ 2.63 3.38 0.084 <0.001 2.92 3.10 0.068 <0.05
 Carcass weight, kg 20.7 25.7 0.208 <0.001 23.1 23.3 0.20 0.403
 Ultrasound fat, cm 0.84 0.78 0.032 0.103 0.74 0.87 0.026 <0.001
 Ultrasound muscle, cm 3.05 3.25 0.033 <0.001 3.13 3.17 0.023 0.302
 Ultrasound fat gain, cm 0.23 0.26 0.021 0.158 0.22 0.28 0.021 <0.05
 Ultrasound muscle gain, cm 0.39 0.59 0.023 <0.001 0.49 0.49 0.023 0.7

*Total intake (fresh matter weight) = total concentrate intake.

FCR calculated as total feed intake divided by total weight gain.

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.