Energy base kcal ME/kg dietb |
Starting (0–4 wk) 2,900 |
Growing (after 4 wk) 3,000 |
Breeding 2,900 |
Protein (%) |
20 |
15 |
15 |
Lysine (%) |
1.0 |
0.85 |
0.6 |
Methionine + cystine (%) |
0.6 |
0.5 |
0.5 |
Calcium (%) |
0.65 |
0.6 |
2.25 |
Phosphorus, available (%) |
0.3 |
0.3 |
0.3 |
Vitamin A (IU) |
1,500 |
1,500 |
4,000 |
Vitamin D (IU) |
200 |
200 |
200 |
Riboflavin (mg) |
3.8 |
2.5 |
4.0 |
Pantothenic acid (mg) |
15 |
10 |
10 |
Niacin (mg) |
65 |
35 |
20 |
a Requirements are listed as percentages or as units or mg/kg of diet. For nutrients not listed, see requirements of broilers ({blank} Nutrient Requirements of Broilers a) as a guide. |
|||
b These are typical dietary energy concentrations. |
|||
Adapted, with permission, from Nutrient Requirements of Poultry, 1994, National Academy of Sciences, National Academy Press, Washington, DC. |