Lamb, hogget, and mutton, generically sheep meat, are the meat of domestic sheep, Ovis aries. A sheep in its first year is a lamb and its meat is also lamb. A sheep in its second year and its meat are hogget. Older sheep meat is mutton. Generally, "hogget" and "sheep meat" are not used by consumers outside New Zealand, South Africa and Australia with the exception of the Navajo people in the American Southwest, who consume mutton as a staple part of their diet. Historically, Navajo sheep ranching has been regulated by the Federal Government due to habitat destruction caused by sheep overgrazing.
