http://www.nal.usda.gov/ttic/tektran/data/000009/53/0000095340.html

General information on Tuli cattle.

Article on the “Effect of Tropically Adapted Sire-Breed, Brahman, Senepol, And Tuli, on Preweaning Growth of F1 Angus Calves and Reproductive Performance of their Angus Dams”. Tektran, United States Department of Agriculture, Agricultural Research Service