Farm, Ranch, Business

Domestic sheep provide ecosystem services – from reducing fuel loads and spreading seeds so new plants will grow, to controlling weeds and invading vegetative species – all without the use of chemicals or machinery, all while depositing fertilizer into their environment.

Sheep are a vital part of medical research to improve the human condition. Sheep were some of the first animals used for successful blood donation (in 1667!) and womb transplants (in 2007), and were also used to create artificial heart valves. Domestic sheep are naturally docile, their physiology is similar to humans, and the...