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composition of milks
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Energy (kJ) and nutrient content (g/dl) of milks:
- mature breast milk:
- carbohydrate 7.4
- protein 1.2
- casein 0.5
- fat 3.8
- Na mmol/l 7.0
- K mmol/l 13.0
- calcium mg/l 34.0
- phosphorus 140.0
- colostrum:
- carbohydrate 5.3
- protein 2.3
- casein 1.2
- fat 2.3
- Na mmol/l 48.0
- K mmol/l 73.0
- calcium mg/l 30.0
- phosphorus 150.0
- cow's milk:
- carbohydrate 4.9
- protein 3.3
- casein 2.7
- fat 3.8
- Na mmol/l 21.0
- K mmol/l 38.0
- calcium mg/l 117.0
- phosphorus 920.0
As a general principal it may be remembered that practically everything is lower in breast milk than cow's milk, except for carbohydrate, which is higher.
Last reviewed 03/2019
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