Table 3.
Estimated feed intake, chicken growth performance and economic parameters from simulation model applied to indigenous chicken in intensive, semi-intensive, and free-range systems.
| Performance parameters | Intensive system | Semi-intensive system | Free-range system |
|---|---|---|---|
| Feed intake | |||
| TFI per chick (kg DM) for 6 wk | 1.01–2.14 | 0.83–2.14 | 1.13–2.26 |
| TFI per pullet (kg DM) for 15 wk | 7.63–8.27 | 7.61–11.11 | 8.42–8.64 |
| TFI per cockerel (kg DM) for 15 wk | 7.06–8.24 | 8.20–9.65 | 7.70–8.80 |
| TFI per hen (kg DM)/yr | 44.21–47.71 | 32.72–43.29 | 29.0–44.12 |
| TFI per cock (kg DM)/yr | 46.42 | 45.06 | 45.72 |
| Chicken weights | |||
| Male ADG - 21 wk (g) | 9.96–10.43 | 9.24–9.90 | 9.07–9.23 |
| Female ADG - 21 wk (g) | 9.00–9.14 | 8.61–8.70 | 7.68–8.35 |
| Cockerel LWT - 21 wk (kg) | 1.50–1.56 | 1.39–1.48 | 1.36–1.39 |
| Pullet LWT - 21 wk (kg) | 1.38 - 1.35 | 1.30–1.31 | 1.16–1.26 |
| Cock mature LWT (kg) | 1.63–1.74 | 1.57–1.66 | 1.51–1.57 |
| Hen mature LWT (kg) | 1.43–1.47 | 1.40–1.47 | 1.22–1.36 |
| Economic parameters | |||
| Total revenues (KSh) | 2,577.37 to 7,912.01 | 1,613.85 to 2,766.61 | 1,156.35 to 1,237.35 |
| Total costs (KSh) | 5645.64 to 12,879.08 | 1760.88 to 2,639.47 | 508.83 to 624.46 |
| Profit (KSh) | −3,068.27 to −4,969.50 | −87.04 to 127.14 | 612.86 to 647.52 |
Source: Menge et al., 2005 and Okeno et al., 2012.
Abbreviations: ADG, average daily gain; DM, dry matter; LWT, live weight; Ksh, Kenyan shillings; TFI, total feed intake.