Animal genetic resources for food and agriculture crop and livestock species in the early neolithic time period changed our human evolution and lifestyles. This ability to control food production led to major demographic, technological, political and military changes. Consecutively, thousands of years of natural and human selection, genetic drift, inbreeding, and crossbreeding have contributed to the diversification of animal genetic resources and increased the variety of environments and production systems that livestock keeping takes place. Relatively few species have been domesticated; out of the world's 148 non-carnivorous species weighing more than 45 kg, only 15 have been successfully domesticated. The proportion of domesticated birds used for food
Standards of identity for food assurance label for food products and especially wines. Standards of identity for food Standards of identity for food are mandatory requirements that are set by a governing body to determine what a food product must contain to be marketed under a certain name in allowable commerce. Mandatory standards, which differ from voluntary grades and standards applied to agricultural commodities, protect the consumer by ensuring a label accurately reflects what is inside (for example, that mayonnaise is not an imitation spread or that ice cream is not a similar but different frozen dessert). A US trade organization defines the term as