Merck Manual

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Nutrient Requirements of Pekin Ducks a

Nutrient Requirements of Pekin Ducks a

Energy base kcal ME/kg dietb

Starting (0–2 wk) 2,900

Growing (2–7 wk) 3,000

Breeding 2,900

Protein (%)

22

16

15

Arginine (%)

1.1

1.0

Lysine (%)

0.9

0.65

0.6

Methionine + cystine (%)

0.7

0.55

0.5

Calcium (%)

0.65

0.6

2.75

Phosphorus, available (%)

0.40

0.30

0.30

Sodium (%)

0.15

0.15

0.15

Chlorine (%)

0.12

0.12

0.12

Magnesium (mg)

500

500

500

Manganese (mg)

50

?

?

Zinc (mg)

60

?

?

Selenium (mg)

0.2

?

?

Vitamin A (IU)

2,500

2,500

4,000

Vitamin D (IU)

400

400

900

Vitamin K (mg)

0.5

0.5

0.5

Riboflavin (mg)

4

4

4

Pantothenic acid (mg)

11

11

11

Niacin (mg)

55

55

55

Pyridoxine (mg)

2.5

2.5

3.0

a Requirements are listed as percentages or as units or mg/kg of diet. For nutrients not listed, see nutrient requirements of broilers ( 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.