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A glass of pasteurized cow's milk

Milk is a white liquid produced by the mammary glands of mammals. It is the primary source of nutrition for young mammals 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. Milk contains many other nutrients<ref>{{#invoke:Citation/CS1|citation |CitationClass=journal }}</ref> and the carbohydrate lactose.

As an agricultural product, milk is extracted from mammals during or soon after pregnancy and is used as food for humans. Worldwide, dairy farms produced about 730 million tonnes of milk in 2011,<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> from 260 million dairy cows.<ref>{{#invoke:citation/CS1|citation |CitationClass=news }}</ref> India is the world's largest producer of milk, and is the leading exporter of skimmed milk powder, yet has little to no other milk product exports.<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref><ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> 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.<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> New Zealand, the European Union's 28 member states, Australia, and the United States are the world's largest exporters of milk and milk products. China and Russia are the world's largest importers of milk and milk products.<ref name=Blasko>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref><ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

Throughout the world, there are more than six billion consumers of milk and milk products. Over 750 million people live within dairy farming households.<ref>{{#invoke:citation/CS1|citation |CitationClass=book }}</ref>

Milk sections
Intro  Types of consumption  Terminology  Evolution of lactation  History  Sources of milk  Production worldwide  Grading  Physical and chemical properties of milk  Processing  Nutrition and health  Bovine growth hormone supplementation  Criticism  Language and culture  Other uses  See also  References  Further reading  External links  

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