| Smallholders systems | Large scales systems | |||||||||||
| Gumz | Rutana | Crossbred | Gumz | Rutana | Crossbred | |||||||
Age | Sex | Mean | SE | Mean | SE | Mean | SE | Mean | SE | Mean | SE | Mean | SE |
0 - 6 | F | 0.70 | 0.06 | 0.57 | 0.07 | 0.81 | 0.06 | - | - | 3.38 | 0.31 | 5.60 | 0.35 |
| M | 1.17 | 0.09 | 0.61 | 0.08 | 1.04 | 0.08 | - | - | 4.02 | 0.43 | 6.40 | 0.58 |
6 - 12 | F | 1.30 | 0.09 | 0.66 | 0.07 | 0.95 | 0.07 | - | - | 3.73 | 0.30 | 3.82 | 0.27 |
| M | 0.87 | 0.07 | 0.61 | 0.07 | 0.87 | 0.06 | - | - | 4.17 | 0.48 | 4.80 | 0.38 |
>12 | F | 3.00 | 0.13 | 0.88 | 0.06 | 0.62 | 0.07 | 21.2 | 1.4 | 12.3 | 0.69 | 3.22 | 0.53 |
| M | 0.31 | 0.04 | 0.39 | 0.04 | 0.24 | 0.03 | - | - | 3.10 | 0.13 | 0.90 | 0.14 |
Overall means | 7.47 | 0.28 | 3.68 | 0.25 | 4.52 | 0.22 | 21.2 | 1.4 | 30.6 | 1.69 | 24.7 | 1.47 |