To evaluate and define the characteristics of tail chasing in Bull Terriers and explore the association between tail chasing and other behavioral and physical characteristics. Survey and case-control study. 333 Bull Terriers (145 dogs with tail-chasing behavior and 188 unaffected dogs). Owners of Bu...

Ingrown tail, screw-tail or corkscrew tail is a condition found in English Bulldogs, French Bulldogs, Pugs and Boston Terriers. The anatomical malformation causes curling of the tail with chronic skin fold inflammation, infection and pain. Medical treatment is often unsatisfactory in affected dogs, ...

A 2-year-old male mixed breed sheepdog was presented with a history of worsening recurrent tail chasing (TC) and biting by 2 months of age. Physical examination and blood tests showed no health problems, except for mild leukocytosis. Behavior analysis excluded the presence of other compulsive behavi...

During the period 1963–1979, 15 spontaneous cases of the sterilizing Dag defect of the sperm tail in Danish Jersey bulls have been examined. The pedigree of these bulls could be traced back through both paternal and maternal lines to a common ancestor bull born in 1934. The probable heredity of the ...

A frameshift deletion variant in the Wnt pathway gene dishevelled 2 (DVL2) is associated with a truncated, kinked tail ("screw tail") in English Bulldogs, French Bulldogs and Boston Terriers. These breeds are also characterized by distinctive morphological traits, including a wide head, flat face an...