Item | Control | 2.5% FVS | 5% FVS | SEM | P-value |
---|---|---|---|---|---|
Body weight 50 to 75 kg | |||||
 Dry matter | 83.6 | 84.0 | 82.2 | 0.5 | 0.067 |
 Organic matter | 87.1a | 87.3a | 85.7b | 0.4 | 0.035 |
 Gross energy | 83.6ab | 84.2a | 82.2b | 0.5 | 0.048 |
 Crude protein | 74.4 | 75.2 | 72.2 | 0.8 | 0.066 |
 Ether extract | 16.0b | 50.8a | 49.6a | 2.8 | <0.001 |
 Neutral detergent fiber | 45.2b | 56.6a | 62.9a | 2.3 | 0.001 |
 Acid detergent fiber | 36.8b | 55.4a | 61.9a | 2.4 | <0.001 |
Body weight 75 to 100 kg | |||||
 Dry matter | 85.2a | 84.9a | 82.2b | 0.6 | 0.010 |
 Organic matter | 88.3a | 88.1a | 85.8b | 0.5 | 0.015 |
 Gross energy | 85.1a | 85.2a | 82.3b | 0.6 | 0.014 |
 Crude protein | 78.4a | 77.7a | 68.7b | 1.4 | 0.001 |
 Ether extract | 34.4c | 61.4a | 49.4b | 1.6 | <0.001 |
 Neutral detergent fiber | 55.9 | 52.9 | 55.1 | 2.7 | 0.728 |
 Acid detergent fiber | 53.0 | 55.8 | 57.7 | 3.2 | 0.594 |
Body weight 100 to 135 kg | |||||
 Dry matter | 86.6a | 85.1b | 85.1b | 0.3 | 0.003 |
 Organic matter | 89.5a | 88.2b | 88.4b | 0.2 | 0.003 |
 Gross energy | 86.3a | 84.9b | 85.0b | 0.3 | 0.009 |
 Crude protein | 78.1 | 78.9 | 78.3 | 0.7 | 0.709 |
 Ether extract | 88.1a | 51.1b | 51.1b | 1.2 | <0.001 |
 Neutral detergent fiber | 57.1c | 61.9b | 66.8a | 1.2 | <0.001 |
 Acid detergent fiber | 59.3 | 61.9 | 63.0 | 1.1 | 0.111 |