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Cow milk

Cow's milk (whole)
Nutritional value per 100 g (3.5 oz)
Energy 252 kJ (60 kcal)
5.26 g
Sugars 5.26 g
5.26 g
3.25 g
Saturated 1.865 g
Monounsaturated 0.812 g
Polyunsaturated 0.195 g
3.22 g
Tryptophan 0.075 g
Threonine 0.143 g
Isoleucine 0.165 g
Leucine 0.265 g
Lysine 0.140 g
Methionine 0.075 g
Cystine 0.017 g
Phenylalanine 0.147 g
Tyrosine 0.152 g
Valine 0.192 g
Arginine 0.075 g
Histidine 0.075 g
Alanine 0.103 g
Aspartic acid 0.237 g
Glutamic acid 0.648 g
Glycine 0.075 g
Proline 0.342 g
Serine 0.107 g
Vitamins
Vitamin A equiv.
(6%)
46 μg
Thiamine (B1)
(4%)
0.044 mg
Riboflavin (B2)
(15%)
0.183 mg
Vitamin B12
(19%)
0.45 μg
Choline
(3%)
14.3 mg
Vitamin D
(0%)
2 IU
Minerals
Calcium
(11%)
113 mg
Magnesium
(3%)
10 mg
Potassium
(3%)
132 mg
Sodium
(3%)
43 mg
Other constituents
Water 88.32 g

100 mL corresponds to 103 g.
Percentages are roughly approximated using US recommendations for adults.
Source: USDA Nutrient Database

Milk is a pale liquid produced by the mammary glands of mammals. It is the primary source of nutrition for infant mammals (including humans who breastfeed) before they are able to digest other types of food. Early-lactation milk contains colostrum, which carries the mother's antibodies to its young and can reduce the risk of many diseases. It contains many other nutrients including protein and lactose.

As an agricultural product, milk is extracted from non-human mammals during or soon after pregnancy. Dairy farms produced about 730 million tonnes of milk in 2011, from 260 million dairy cows. India is the world's largest producer of milk, and is the leading exporter of skimmed milk powder, yet it exports few other milk products. The ever increasing rise in domestic demand for dairy products and a large demand-supply gap could lead to India being a net importer of dairy products in the future. The United States, India, China and Brazil are the world's largest exporters of milk and milk products. China and Russia were the world's largest importers of milk and milk products until 2016 when both countries became self-sufficient, contributing to a worldwide glut of milk.

Throughout the world, there are more than six billion consumers of milk and milk products. Over 750 million people live in dairy farming households.

The term "milk" comes from "Old English meoluc (West Saxon), milc (Anglian), from Proto-Germanic *meluks "milk" (source also of Old Norse mjolk, Old Frisian melok, Old Saxon miluk, Dutch melk, Old High German miluh, German Milch, Gothic miluks)".

There are two distinct types of milk consumption: a natural source of nutrition for all infant mammals and a food product for humans of all ages that is derived from other animals.

In almost all mammals, milk is fed to infants through breastfeeding, either directly or by expressing the milk to be stored and consumed later. The early milk from mammals is called colostrum. Colostrum contains antibodies that provide protection to the newborn baby as well as nutrients and growth factors. The makeup of the colostrum and the period of secretion varies from species to species.


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