Below are the breeds IDGR currently maintains open herdbooks for.
The Standard Dairy Breeds
Nubian
Alpine
Toggenburg
Oberhasli
LaMancha
Saanen
Sable
The Miniature Breeds
Pygmies
Nigerian Dwarves
Dwarf Alpines
Miniature LaMancha
Miniature Nubian
Miniature Oberhasli
Miniature Saanen
Miniature Toggenburg
American Miniatures
The Rare Breeds
San Clemente Island
Wooden-Leg
Cashmere
Angoras
Colored Angoras
Sheep
Soay Sheep
Jacob Sheep