Golden hamster stock of hamsters was exported from Syria to the United States in 1971, but apparently none of today's North American pets is descended from these (at least in the female line), because recent mitochondrial DNA studies have established that all domestic golden hamsters are descended from one female – probably the one captured in 1930 in Syria. Since the species was named, the genus "Cricetus" has been subdivided and this species (together with several others) was separated into the genus "Mesocricetus", leading to the currently accepted scientific name for the golden hamster of "Mesocricetus auratus". Following Professor Aharoni's collection in
Country-of-origin labeling were too low). In 2009, the Canadian government launched a challenge to mCOOL at the World Trade Organization (WTO). The Canadian federal government argued before the WTO that American "country of origin" labelling rules (COOL) actually worked to the detriment of the meat industry on both sides of the border by increasing costs, lowering processing efficiency and otherwise distorting trade across the Canada-U.S. border. Mexico made similar claims. In 2011, Canada said the WTO ruled in Canada's favor. The US said the panel affirmed the right of the United States to require country of origin labeling for meat products. Canada