Table 2.
Traits | CP Levels (%) 1 | SEM 3 | p-Value 4 | M + C Levels (%) 2 | SEM 3 | p-Value 4 | ||||
---|---|---|---|---|---|---|---|---|---|---|
High | Moderate | Low | High | Moderate | Low | |||||
Live bodyweight (g) | ||||||||||
12 wk | 3102 | 3090 | 3098 | 21.82 | 0.943 | 3087 | 3108 | 3095 | 23.68 | 0.841 |
18 wk | 3681 a | 3663 a | 3603 b | 14.92 | 0.004 | 3706 a | 3645 b | 3597 c | 13.78 | <0.001 |
24 wk | 4103 a | 4067 b | 4030 c | 18.62 | 0.040 | 4102 a | 4072 b | 4026 c | 16.93 | 0.030 |
Bodyweight gain (g)/day | ||||||||||
12–18 wk | 13.80 | 13.65 | 12.02 | 0.60 | 0.098 | 14.73 a | 12.79b | 11.95 c | 0.57 | 0.013 |
18–24 wk | 10.05 | 9.62 | 10.16 | 0.54 | 0.787 | 9.44 | 10.16 | 10.23 | 0.61 | 0.585 |
12–24 wk | 11.92 | 11.63 | 11.09 | 0.33 | 0.230 | 12.09 | 11.27 | 11.08 | 0.29 | 0.130 |
Mortality rate (%), 12–24 wk | 0.00 | 0.00 | 0.00 | - | - | 0.00 | 0.00 | 0.00 | - | - |
Feed intake (g) | ||||||||||
12–18 wk | 150.78 a | 148.00 b | 143.01 c | 2.01 | 0.041 | 151.11 a | 148.00 b | 142.67 c | 1.89 | 0.026 |
18–24 wk | 154.22 a | 152.44 b | 151.11 b | 0.72 | 0.022 | 153.30 | 152.44 | 151.96 | 0.68 | 0.426 |
12–24 wk | 152.50 a | 150.22 b | 147.06 c | 1.20 | 0.017 | 152.22 a | 149.98 b | 147.33 c | 0.95 | 0.033 |
Feed conversion ratio (kg. feed/kg. gain) | ||||||||||
12–18 wk | 10.93 | 10.84 | 11.89 | 0.53 | 0.184 | 10.26 b | 11.57 a | 11.94 a | 0.37 | 0.049 |
18–24 wk | 15.34 | 15.85 | 14.87 | 0.79 | 0.843 | 16.24 | 15.00 | 14.85 | 0.69 | 0.470 |
12–24 wk | 12.79 | 12.92 | 13.26 | 0.41 | 0.699 | 12.59 | 13.31 | 13.30 | 0.40 | 0.453 |
Means in the same row within each classification bearing different letters are significantly (p ≤ 0.05) different.1 CP levels: experimental diets, high: 16%, moderate: 14.5%, low: 13%, respectively. M + C 2 levels: dietary total sulfur amino acids, high: 0.75%, moderate: 0.65%, low: 0.55%, respectively. 3 SEM: standard error mean, 4 Overall treatment p-value.