At the current time, about 20.4 percent of white Bull Terriers and 1.3 percent of Colored Bull Terriers have some degree of deafness. (pawster.com)
(4) It seems probable that what Oppenheimer and Horner were observing in the inbred strains of white Bull Terriers was «inbreeding depression». (thebullterrierclub.org)
At the snap White bull - rushes, and Samuels holds his ground. (si.com)