Table 1.
Livestock feed requirements.
| Animal Characteristics | Dry Matter (kg/day) | Digestible Nitrogen (g/day) | Net Energy for Lactation (MJ/day) |
|---|---|---|---|
| Productive goats | |||
| Preservation | |||
| Live weight (kilos) | |||
| 50 | 1.6 | 40 | 5.2 |
| 60 | 1.8 | 46 | 5.8 |
| 70 | 2.0 | 52 | 6.6 |
| Pregnancy | |||
| Live weight (kilos) | |||
| 50 | 1.4 | 105 | 8.4 |
| 60 | 1.5 | 120 | 9.0 |
| 70 | 1.6 | 140 | 9.8 |
| Lactation (per kilo of milk) | |||
| Fat content | |||
| 3.0% | - | 50 | 2.8 |
| 3.5% | - | 55 | 3.0 |
| 4.0% | - | 60 | 3.2 |
| 4.5% | - | 65 | 3.4 |
| Male goats | |||
| Live weight (kilos) | |||
| 80 | 2.1 | 63 | 8.1 |
| 100 | 2.2 | 75 | 9.6 |
| Growing animals | |||
| Age (in months) | |||
| 0–1 | 80 | 3.2 | |
| 1–2 | 0.3–0.6 | 80 | 3.6 |
| 2–3 | 0.6–0.8 | 77 | 4.2 |
| 3–4 | 0.8–1.0 | 74 | 4.6 |
| 4–5 | 1.0–1.1 | 68 | 4.9 |
| 5–6 | 1.1–1.2 | 62 | 5.1 |
| 6–7 | 1.2–1.3 | 60 | 5.2 |
Source: Zervas et al., 2000 [24].