Similarly, a 2009 study by Flesch showed a significant amount of gene flow between desert bighorn sheep populations in the U.S. and Mexico. (scientificamerican.com)
Blessed with lush pastures, New Zealand supplies around 60 percent of the global sheepmeat market, but even though its 31 million sheep population outnumbers humans nearly seven to one, it is struggling to keep up with Chinese demand. (cnbc.com)
The UK has a third of the entire sheep population of Europe, and the potential costs of the system are estimated to be as much as # 42 million annually. (conservativehome.blogs.com)