Table 5.
Human edible feed conversion efficiency calculations for the extensive beef system, pasture seeding (PS), pasture fertilization (PF), and grain supplementation (GS) in the Cerrado and Amazon biomes, Brazil.
| Calculations of Simulated Beef Systems | Cerrado Simulations | Amazon Simulations | ||||||
|---|---|---|---|---|---|---|---|---|
| Extensive | PS | PF | GS | Extensive | PS | PF | GS | |
| Human edible feed conversion efficiency (heFCE) | ||||||||
| Protein | ||||||||
| Saleable meat (kg/ha) | 48 | 109 | 109 | 116 | 48 | 108 | 108 | 116 |
| Beef protein sold (kg/ha) | 9.0 | 20.6 | 20.6 | 22.0 | 9.1 | 20.6 | 20.6 | 22.1 |
| Grain (kg DM/ha) | 40 | 60 | 60 | 130 | 30 | 50 | 60 | 120 |
| Grain protein (kg/ha) | 3.8 | 5.6 | 5.6 | 12.2 | 2.8 | 4.7 | 5.6 | 11.3 |
| Soybean meal (kg DM/ha) | 0 | 0 | 0 | 110 | 0 | 0 | 0 | 130 |
| Soybean meal protein (kg/ha) | 0 | 0 | 0 | 57.0 | 0 | 0 | 0 | 67.3 |
| Total Feed Protein (kg protein/ha) | 3.8 | 5.6 | 5.6 | 69.2 | 2.8 | 4.7 | 5.6 | 78.6 |
| heFCE = Beef protein/Human edible feed protein |
2.40 | 3.66 | 3.66 | 0.32 | 3.23 | 4.37 | 3.64 | 0.28 |
| Energy | ||||||||
| Saleable meat (kg/ha) | 48 | 109 | 109 | 116 | 48 | 109 | 109 | 116 |
| Beef energy sold (MJ/ha) | 308 | 703 | 703 | 751 | 310 | 701 | 701 | 753 |
| Grain (kg DM/ha) | 40 | 60 | 60 | 130 | 30 | 50 | 60 | 120 |
| Grain energy (MJ/ha) | 748 | 1122 | 1122 | 2431 | 561 | 935 | 1122 | 2244 |
| Soybean meal (kg DM/ha) | 0 | 0 | 0 | 110 | 0 | 0 | 0 | 130 |
| Soybean meal energy (MJ/ha) | 0 | 0 | 0 | 2167 | 0 | 0 | 0 | 2561 |
| Total Feed Energy (MJ/ha) | 748 | 1122 | 1122 | 4598 | 561 | 935 | 1122 | 4805 |
| heFCE = Beef energy/Human edible feed energy |
0.41 | 0.63 | 0.63 | 0.16 | 0.55 | 0.75 | 0.62 | 0.16 |