Table 9.
Cost of the rations (€/day per head) and feed conversion efficiency indexes for human food production.
| Item | DWB0 | DWB10 | DWB20 | SEM 1 | p Value |
|---|---|---|---|---|---|
| Concentrate | 3.65 A | 3.60 B | 3.39 C | 0.15 | ≤0.0001 |
| Hay | 1.00 A | 0.96 B | 0.89 C | 0.08 | ≤0.0001 |
| Total | 4.65 A | 4.56 B | 4.28 C | 0.17 | ≤0.0001 |
| heFCEcp 2 | 0.54 C | 0.66 B | 0.72 A | 0.02 | ≤0.0001 |
| heFCEge 3 | 0.51 C | 0.62 B | 0.69 A | 0.03 | ≤0.0001 |
| NFPcp (g/day) 4 | −683 A | −496 B | −381 C | 4.96 | ≤0.0001 |
| NFPge (MJ/day) 5 | −77.8 A | −52.7 B | −39.5 C | 1.39 | ≤0.0001 |
1 SEM = standard error of mean. 2 heFCEcp, human-edible food conversion ratio in terms of CP = kg milk CP/kg CP of human-edible feed, 3 heFCEge, human-edible food conversion ratio in terms of GE = MJ milk GE/MJ GE of human-edible feed, 4 NFPcp (g/day), net food production in terms of CP = g/day milk CP − g/day CP of human edible food, 5 NFPge (MJ(day), net food production in terms of GE = MJ/day milk GE − MJ/day GE of human edible food. A,B,C: p ≤ 0.01.