Energy base kcal ME/kg dietb |
Starting 2,800 |
Growing 2,800 |
Breeding 2,800 |
Protein (%) |
26 |
20 |
24 |
Glycine + serine (%) |
— |
— |
— |
Lysine (%) |
— |
— |
— |
Methionine + cystine (%) |
1.0 |
0.75 |
0.90 |
Linoleic acid (%) |
1 |
1 |
1 |
Calcium (%) |
0.65 |
0.65 |
2.4 |
Phosphorus, available (%) |
0.45 |
0.30 |
0.7 |
Sodium (%) |
0.15 |
0.15 |
0.15 |
Chlorine (%) |
0.11 |
0.11 |
0.11 |
Iodine (mg) |
0.3 |
0.3 |
0.3 |
Riboflavin (mg) |
3.8 |
3.0 |
4.0 |
Pantothenic acid (mg) |
12 |
9 |
15 |
Niacin (mg) |
30 |
30 |
20 |
Choline (mg) |
1,500 |
1,500 |
1,000 |
a Requirements are listed as percentages or as mg/kg of diet. For values not listed, see requirements of laying hens ({blank} Nutrient Requirements of Laying Hens at Different Feed Intakes a) and leghorn-type chickens ({blank} Linoleic Acid, Mineral, and Vitamin Requirements of Leghorn-type Chickens 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. |