Table 4.
Effects of forage type and dietary inclusion of monensin and(or) soybean and coconut oils on growth, feed intake, efficiency of feed utilization, and feeding behavior of yearling Alpine doelings
| Treatment1 | Period | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Item2 | C | L | L-I | L-S | L-N | L-I-S | L-I-N | L-S-N | L-I-S-N | SEM | Contrast3 | 1 | 2 | SEM | P-value |
| BW, kg | |||||||||||||||
| Initial | 31.8 | 32.2 | 31.2 | 31.6 | 32.3 | 32.0 | 31.3 | 31.4 | 31.3 | 1.24 | |||||
| Final | 42.2 | 38.9 | 38.5 | 38.6 | 40.7 | 38.4 | 37.5 | 38.0 | 36.0 | 1.60 | 1 | ||||
| ADG, g | 124 | 80 | 89 | 84 | 101 | 77 | 74 | 78 | 62 | 9.6 | 1 | 77 | 94 | 3.5 | <0.001 |
| KR, g/kg BW0.75 | 8.33 | 5.52 | 6.20 | 5.81 | 6.75 | 5.35 | 5.27 | 5.53 | 4.36 | 0.627 | 1 | 5.56 | 6.24 | 0.233 | 0.001 |
| DMI | |||||||||||||||
| kg/d | 1.46 | 1.23 | 1.30 | 1.18 | 1.32 | 1.10 | 1.02 | 1.20 | 1.01 | 0.059 | 1,5 | 1.04 | 1.33 | 0.021 | <0.001 |
| BW | 3.96 | 3.49 | 3.50 | 3.35 | 3.62 | 3.13 | 2.95 | 3.23 | 2.99 | 0.108 | 1,5 | 3.11 | 3.61 | 0.041 | <0.001 |
| g/kg BW0.75 | 97.5 | 85.0 | 85.1 | 81.4 | 88.9 | 76.2 | 71.5 | 78.3 | 72.1 | 2.75 | 1,5 | 74.7 | 88.8 | 1.04 | <0.001 |
| G:F, g/kg | 86.0 | 65.0 | 72.9 | 70.6 | 75.0 | 70.8 | 72.4 | 70.5 | 61.0 | 7.12 | 73.5 | 69.6 | 2.68 | 0.660 | |
| RFI, g | 77.3 | 60.1 | 14.2 | −3.6 | 41.5 | −48.6 | −101.3 | −24.5 | −15.3 | 34.09 | 1 | ||||
| Eating, min/d | 183 | 238 | 240 | 195 | 216 | 198 | 219 | 187 | 209 | 19.9 | 200 | 217 | 7.8 | 0.021 | |
| DMI rate, g/min | 8.90 | 5.49 | 5.50 | 6.05 | 6.10 | 5.55 | 4.78 | 6.09 | 4.68 | 0.492 | 1 | 5.51 | 6.30 | 0.181 | <0.001 |
1C = control (alfalfa hay as basal forage); L = lespedeza as basal forage; L-I = L and the ionophore monensin; L-S = L and soybean oil; L-N = L and coconut oil; L-I-S = L, ionophore, and soybean oil; L-I-N; L, ionophore, and coconut oil; L-S-N = L, soybean oil, and coconut oil; L-I-S-N = L, ionophore, soybean oil, and coconut oil.
2KR = Kleiber ratio; RFI = residual feed intake.
31 = control treatment vs. others; 5 = L-I, L-S, and L-N vs. L-I-S, L-I-N, and L-S-N (P < 0.05).