Merck Manual

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AAFCO Nutrient Requirements for Dogs a

AAFCO Nutrient Requirements for Dogs a

Nutrient (% or per kg of diet)

Growth and Reproduction Minimum

Adult Maintenance Minimum

Adult Maintenance Maximum

Protein (%)

22.0

18.0

Arginine (%)

0.62

0.51

Histidine (%)

0.22

0.18

Isoleucine (%)

0.45

0.37

Leucine (%)

0.72

0.59

Lysine (%)

0.77

0.63

Methionine + cystine (%)

0.53

0.43

Phenylalanine + tyrosine (%)

0.89

0.73

Threonine (%)

0.58

0.48

Tryptophan (%)

0.20

0.16

Valine (%)

0.48

0.39

Fat (%)

8.0

5.0

Linoleic acid (%)

1.0

1.0

Minerals

Calcium (%)

1.0

0.6

2.5

Phosphorus (%)

0.8

0.5

1.6

Ca:P ratio

1:1

1:1

2:1

Potassium (%)

0.6

0.6

Sodium (%)

0.3

0.06

Chloride (%)

0.45

0.09

Magnesium (%)

0.04

0.04

0.3

Iron (mg/kg)

80

80

3,000

Copper (mg/kg)

7.3

7.3

250

Manganese (mg/kg)

5.0

5.0

Zinc (mg/kg)

120

120

1,000

Iodine (mg/kg)

1.5

1.5

50

Selenium (mg/kg)

0.11

0.11

2

Vitamins

Vitamin A (IU/kg)

5,000

5,000

250,000

Vitamin D (IU/kg)

500

500

5,000

Vitamin E (IU/kg)

50

50

1,000

Thiamine (mg/kg)

1.0

1.0

Riboflavin (mg/kg)

2.2

2.2

Pantothenic acid (mg/kg)

10

10

Niacin (mg/kg)

11.4

11.4

Pyridoxine (mg/kg)

1.0

1.0

Folic acid (mg/kg)

0.18

0.18

Vitamin B12 (mg/kg)

0.022

0.022

Choline (mg/kg)

1,200

1,200

a Nutrient requirements are indicated on a dry-matter basis and are per kg of diet, not per kg of body weight of animal. These AAFCO nutrient profiles for dog foods presume an energy density of 3.5 kcal ME/g dry matter. Rations >4 kcal/g should be corrected for energy density.