List of domesticated animals

This is a list of animals that have been domesticated by humans .The list includes species or larger formal and informal zoological categories that include at least some domesticated individuals.

To be considered domesticated, a population of animals must have their behavior, life cycle, or physiology systemically altered as a result of being under human control for many generations. Animals included in this list that do not fully meet this criterion are designated "captive-bred" or "semi-domesticated".

Dog (Canis lupus familiaris)

Sheep (Ovis aries)

Goat (Capra aegagrus hircus)

Pig (Sus scrofa domestica)

Cow (Bos primigenius taurus)

Zebu (Bos primigenius indicus)

Cat (Felis catus)

List of countries by GDP sector composition

This is a list of countries by GDP sector composition based on nominal GDP estimates and sector composition ratios provided by the CIA World Fact Book at market or government official exchange rates with figures in trillions of United States dollars.

Agricultural sector

Agriculture (a term which encompasses farming) is the process of producing food, feed, fiber and other goods by the systematic raising of plants and animals. Agricultural output is a component of the nominal Gross Domestic Product of a nation. Though China and the EU lead the world in agricultural output, the US still leads the world in agricultural productivity per farmer among large economies.

Industrial sector

Industry is the segment of economy concerned with production of goods (including fuels and fertilisers). Industrial output is a component of the nominal Gross domestic product of a nation.

Service sector

A service is the non-material equivalent of a good. Service provision is defined as an economic activity that does not result in ownership, and this is what differentiates it from providing physical goods. It is claimed to be a process that creates benefits by facilitating either a change in customers, a change in their physical possessions, or a change in their intangible assets. Service output is a component of the nominal Gross domestic product of a nation. Gigantic supermarkets, luxury showrooms and serviced offices are peculiar features of the advanced economies.It should be noted that the service sector includes (but is not limited to) farm and factory related activities.

Outline of agriculture

Agriculture, which encompasses farming, is the process of producing food, feed, fiber and other goods by the systematic raising of plants and animals. Agricultural developments have been crucial factors in social change, including the specialization of human activity. According to the CIA Factbook 2008, 40% of the world's laborers are employed in agriculture, making it by far the most common occupation. Primary agricultural production accounts for less than 5% of the Gross World Product (an aggregate of all Gross Domestic Products), but much of the industrial production (one-third of GWP) derives from the processing of agricultural products, such as food and fiber.

Distortions in modern global agriculture

Differences in economic development, population density and culture mean that the farmers of the world operate under very different conditions.

A US cotton farmer may receive US$230 in government subsidies per acre planted (in 2003), while farmers in Mali and other third-world countries do without. When prices decline, the heavily subsidised US farmer is not forced to reduce his output, making it difficult for cotton prices to rebound, but his Mali counterpart may go broke in the meantime.

A livestock farmer in South Korea can calculate with a (highly subsidized) sales price of US$1300 for a calf produced.A South American Mercosur country rancher calculates with a calf's sales price of US$120–200 (both 2008 figures).With the former, scarcity and high cost of land is compensated with public subsidies, the latter compensates absence of subsidies with economics of scale and low cost of land.

In the Peoples Republic of China, a rural household's productive asset may be one hectare of farmland.In Brazil, Paraguay and other countries where local legislature allows such purchases, international investors buy thousands of hectares of farmland or raw land at prices of a few hundred US$ per hectare.

Food safety and labeling

Food security issues also coincide with food safety and food labeling concerns. Currently a global treaty, the BioSafety Protocol, regulates the trade of GMOs. The EU currently requires all GMO foods to be labeled, whereas the US does not require transparent labeling of GMO foods. Since there are still questions regarding the safety and risks associated with GMO foods, some believe the public should have the freedom to choose and know what they are eating and require all GMO products to be labeled.