A newly developing herd of quality Mammoth Jackstock. Adult animals are used for riding therapy, pleasure riding, and packing as well as much loved family pets. Located in Medford, Wisconsin, USA.

Stands to outside mares the triple registered black Mammoth Jack donkey DIAMOND REO. Proven liver-cover, frozen semen and fresh-cooled artificial insemination sire.

Breeder who hand-raises healthy and happy ADMS and ACOSA registered Standard Donkeys. Located in Alvord, Texas, USA.

Breeders of mammoth jackstock and an occasional mule. Offering 2 mammoth jacks at stud. Located in the beautiful Bitteroot Valley of Florence, MT, USA.

Breeders of show quality halter and performance mules and mammoth donkey jackstock. Specializing in breeding for mules with color, Buckskins, Duns and Blacks. Located in Las Vegas Nevada.