Active conservation of animal genetic resources in North America has been mostly conducted by 'grassroots' organizations comprised of hobbyists and farmers. The American Minor Breeds Conservancy in USA and Joywind Farm Rare Breeds Conservancy in Canada have been the major participants. They have made a very major contribution to conserving rare and relic breeds of livestock and poultry. National governments are now becoming directly involved in conservation work. Both Canadian and US governments, through their agricultural research centres, have begun large-scale conservation projects. They w ill stress storage of information in data banks, cryogenic storage of gametes and zygotes, and storage of DNA.

R. D Crawford

Proceedings of the World Congress on Genetics Applied to Livestock Production, Volume XIV. Dairy cattle genetics and breeding, adaptation and conservation., , 455–458, 1990
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