Energy base |
0–4 wk |
4–8 wk |
9–17 wk |
Breeding |
kcal ME/kg dietb |
2,800 |
2,800 |
2,700 |
2,800 |
Protein (%) |
28 |
24 |
18 |
15 |
Glycine + serine (%) |
1.8 |
1.55 |
1 |
0.5 |
Lysine (%) |
1.5 |
1.40 |
0.8 |
0.68 |
Methionine + cystine (%) |
1.0 |
0.93 |
0.6 |
0.6 |
Linoleic acid (%) |
1 |
1 |
1 |
1 |
Calcium (%) |
1.0 |
0.85 |
0.53 |
2.5 |
Phosphorus, available (%) |
0.55 |
0.5 |
0.45 |
0.40 |
Sodium (%) |
0.15 |
0.15 |
0.15 |
0.15 |
Chlorine (%) |
0.11 |
0.11 |
0.11 |
0.11 |
Iodine (mg) |
0.3 |
0.3 |
0.3 |
0.3 |
Riboflavin (mg) |
3.4 |
3.4 |
3.0 |
4.0 |
Pantothenic acid (mg) |
10 |
10 |
10 |
16 |
Niacin (mg) |
70 |
70 |
40 |
30 |
Choline (mg) |
1,430 |
1,300 |
1,000 |
1,000 |
a Requirements are listed as percentages or as mg/kg of diet. For values not listed, see requirements of turkeys ({blank} Protein and Amino Acid Requirements of Turkeys a and {blank} Linoleic Acid, Mineral, and Vitamin Requirements of Turkeys a) as a guide. |
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b These are typical dietary energy concentrations. |
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Adapted, with permission, from Nutrient Requirements of Poultry, 1994, National Academy of Sciences, National Academy Press, Washington, DC. |