Merck Manual

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2006 NRC Nutrient Requirements for Adult Cats (Maintenance) a

2006 NRC Nutrient Requirements for Adult Cats (Maintenance) a

Nutrient (Amount/1,000 kcal ME)b

Minimum

Maximum

Recommended Allowance

Protein (g)

40

50

Arginine (g)

1.93

Histidine (g)

0.65

Isoleucine (g)

1.08

Leucine (g)

2.55

Lysine (g)

0.68

0.85

Methionine (g)

0.34

0.43

Methionine + cystine (g)

0.68

0.85

Phenylalanine (g)

1.00

Phenylalanine + tyrosine (g)

3.83

Threonine (g)

1.30

Tryptophan (g)

0.33

Valine (g)

1.28

Taurine (g)

0.080

0.10

Fat (g)

82.5

22.5

Linoleic acid (g)

13.8

1.4

Arachidonic acid (g)

0.5

0.015

Eicosapentaenoic + docosahexaenoic acid (g)

0.025

Minerals

Calcium (g)

0.40

0.72

Phosphorus (g)

0.35

0.64

Potassium (g)

1.3

Sodium (mg)

160

170

Chloride (mg)

240

Magnesium (mg)

50

100

Iron (mg)

20

Copper (mg)

1.2

Manganese (mg)

1.2

Zinc (mg)

18.5

Iodine (mcg)

320

350

Selenium (mcg)

75

Vitamins

Vitamin A (retinol equivalents)

25,000

250

Cholecalciferol (mcg)

188

1.75

Vitamin E (α-tocopherol, mg)

10

Vitamin K (menadione, mg)

0.25

Thiamine (mg)

1.40

Riboflavin (mg)

1.0

Pantothenic acid (mg)

1.15

1.44

Niacin (mg)

10.0

Pyridoxine (mg)

0.5

0.625

Folic acid (mcg)

150

188

Vitamin B12 (mcg)

5.6

Choline (mg)

510

637

a Reprinted with permission from the National Academies Press, copyright 2006, National Academy of Sciences.

b ME = metabolizable energy