I-English Bulldog iyinja enosayizi omaphakathi enezinwele ezimfishane. Izinja ezinjalo azijwayelekile kakhulu ngokubukeka, zithembeke kakhulu, futhi azidingi ukunakekelwa okukhethekile. Ekuqaleni, lolu hlobo lwalufuywa njengendlela yokulwa noma yokuyenga izinkunzi, amabhere namabheji. Ngemva kokuvinjelwa ukulwa nezinja eNgilandi maphakathi nekhulu le-19, lolu hlobo lwaqala ukunyamalala. Izindinganiso ezintsha zanikezwa kuma-bulldogs: ubungane, isimo sengqondo esihle kwezinye izilwane, usayizi omncane.
in Dogs