Animal genetic resources for food and agriculture of animal genetic resources includes diversity at species, breed and within-breed level. Known are currently 8,800 different breeds of birds and mammals within 38 species used for food and agriculture. The main animal species used for food and agriculture production are cattle, sheep, goats, chickens and pigs. In the livestock world, these species are often referred to as "the big five". Some less-utilized species include the dromedary, donkey, bactrian camel, buffalo, guinea pig, horse, rabbit, yak, goose, duck, ostrich,partridge, pheasant, pigeon, and turkey. The history of animal genetic resources begins about 12,000 to 14,000 years ago. The domestication of major
Animal show Animal show An animal show is a form of exhibition featuring the display or performance of one or more breeds of animal. An animal show can be for entertainment, educational, and/or commercial purpose. A judged event may rank specimens for the benefit of those involved in animal breeding or husbandry, or provide entertainment to animal fancy hobbyists. The US Animal Welfare Act identifies a number of types of animal exhibitions: Modern amusement parks often feature performing marine mammals and even contain drive-thru animal safari tours. The animal shows are typically operated by a contracted performer, while the animal parks are