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
Set animal millenia until becoming standardized, making identification a difficult process; there is debate as to which hieroglyphs actually depict Set and the associated animal. Egyptologist Ken Moss has suggested the Set animal is in fact the Saluki, as it is one of the oldest breeds of domesticated dog, has a curved snout and nearly identical body, and is native to the region. Further, when the Saluki runs, its ears and tail become vertical, and cropped ears are a common and historic practice performed on hunting dogs throughout the Levant. The Saluki is further depicted in hieroglyphs without a connection to Set,