When breeders wanted to create the ultimate companion dog from these bully breeds, they began combining pit bulls with Staffordshire bull terriers and mixing in other breeds. (animalso.com)
We also received few questionnaires (2 males and 3 females) from American Staffordshire Bull Terriers (AST), and because of the small number these were grouped together with SBT (Table S1). (journals.plos.org)
Although we think of IPF as being a disease of West Highland White Terriers, it is well documented in Staffordshire Bull Terriers as well. (vvs.vet)