Dairy products, milk products or lacticinia are a type of food produced from or containing the milk of mammals, primarily cattle, water buffaloes, goats, sheep, camels, and humans. Dairy products include food items such as yogurt, cheese, and butter. A facility that produces dairy products is known as a dairy, or dairy factory. Dairy products are consumed worldwide, with the exception of much of East and Southeast Asia and also some parts of central Africa.
Types of dairy products
- Milk after optional homogenization, pasteurization, in several grades after standardization of the fat level, and possible addition of the bacteria Streptococcus lactis and Leuconostoc citrovorum
- Crème fraîche, slightly fermented cream
- Cultured milk resembling buttermilk, but uses different yeast and bacterial cultures
- Kefir, fermented milk drink from the Northern Caucasus
- Kumis, also known as airag, slightly fermented mares' milk popular in Central Asia
- Powdered milk (or milk powder), produced by removing the water from (usually skim) milk
- Whole milk products
- Buttermilk products
- Skim milk
- Whey products
- High milk-fat and nutritional products (for infant formulas)
- Cultured and confectionery products
- Condensed milk, milk which has been concentrated by evaporation, with sugar added for reduced process time and longer life in an opened can
- Khoa, milk which has been completely concentrated by evaporation, used in Indian cuisine including gulab jamun, peda, etc.
- Evaporated milk, (less concentrated than condensed) milk without added sugar
- Ricotta, acidified whey, reduced in volume
- Infant formula, dried milk powder with specific additives for feeding human infants
- Baked milk, a variety of boiled milk that has been particularly popular in Russia
- Butter, mostly milk fat, produced by churning cream
- Cheese, produced by coagulating milk, separating from whey and letting it ripen, generally with bacteria and sometimes also with certain molds
- Curds, the soft, curdled part of milk (or skim milk) used to make cheese
- Whey, the liquid drained from curds and used for further processing or as a livestock feed
- Cottage cheese
- Cream cheese, produced by the addition of cream to milk and then curdled to form a rich curd or cheese
- Fromage frais
- Casein are
- Caseinates, sodium or calcium salts of casein
- Milk protein concentrates and isolates
- Whey protein concentrates and isolates, reduced lactose whey
- Hydrolysates, milk treated with proteolytic enzymes to alter functionality
- Mineral concentrates, byproduct of demineralizing whey
- Yogurt, milk fermented by Streptococcus salivarius ssp. thermophilus and Lactobacillus delbrueckii ssp. bulgaricus sometimes with additional bacteria, such as Lactobacillus acidophilus
- Clabber, milk naturally fermented to a yogurt-like state
- Gelato, slowly frozen milk and water, lesser fat than ice cream
- Ice cream, slowly frozen cream, milk, flavors and emulsifying additives (dairy ice cream)
Excessive consumption of dairy products can contribute significant amounts of cholesterol and saturated fat to the diet which can increase the risk of heart disease, and cause other serious health problems. 
There is no excess cardiovascular risk with dietary calcium intake but calcium supplements are associated with a higher risk of coronary artery calcification.
Drinking milk or other dairy products does not cause mucus production, and will not make cold or asthma symptoms worse. This widely held belief stems from some people mistaking the thin coat of residue left behind after consuming milk or ice cream for mucus.
Consumption patterns worldwide
Rates of dairy consumption vary widely worldwide. High-consumption countries consume more than 150 kg per capita per year: Argentina, Armenia, Australia, Costa Rica, most European counties , Israel, Kyrgyzstan, North America and Pakistan. Medium-consumption countries consume 30 to 150 kg per capita per year: India, Iran, Japan, Kenya, Mexico, Mongolia, New Zealand, North and Southern Africa, most of the Middle East, and most of Latin America and the Caribbean. Low-consumption countries consume under 30 kg per capita per year: Senegal, most of Central Africa, and most of East and Southeast Asia.
Some groups avoid dairy products for non-health related reasons:
- Religious – Some religions restrict or do not allow for the consumption of dairy products. For example, some scholars of Jainism advocate not consuming any dairy products because dairy is perceived to involve violence against cows. Strict Judaism requires that meat and dairy products not be served at the same meal, served or cooked in the same utensils, or stored together, as prescribed in Deuteronomy 14:21.
- Vegans – Veganism is the avoidance of all animal products, including dairy products, most often due to the ethics regarding how dairy products are produced. The ethical reasons for avoiding dairy include how dairy is produced, how the animals are handled, and the environmental effect of dairy production.
- Fermented milk products
- List of dairy products
- List of dairy product companies in the United States
- List of foods
- Plant milk
- Ice Cream
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