This article is about the fluid produced by the mammary glands of mammals. 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 Cultural anthropology & human experience dettwyler pdf 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, more than six billion people consume milk and milk products. Over 750 million people live in dairy farming households. Milk consumption occurs in two distinct overall types: a natural source of nutrition for all infant mammals and a food product obtained from other mammals for consumption by humans of all ages. The makeup of the colostrum and the period of secretion varies from species to species.
In some cultures it is common to breastfeed children for three to five years, and the period may be longer. This mutation allowed milk to be used as a new source of nutrition which could sustain populations when other food sources failed. The enzyme needed to digest lactose, lactase, reaches its highest levels in the human small intestine after birth and then begins a slow decline unless milk is consumed regularly. India is the largest producer and consumer of cattle and buffalo milk in the world.
This secretion gradually became more copious and accrued nutritional complexity over evolutionary time. 3000 BC in the Americas. Southwest Asia, by at least the seventh millennium BC. Camels, domesticated in central Arabia in the fourth millennium BC, have also been used as dairy animals in North Africa and the Arabian Peninsula. The earliest Egyptian records of burn treatments describe burn dressings using milk from mothers of male babies.