English Springer Spaniels are broken into working and show breed lines. While they are registered together, the gene pools have been kept completely separate for near 80 years. In fact, to the casual observer the field-bred Springer and the show-bred Springer appear to be different breeds. A field-bred Springer would not be competitive in a modern dog show, while a show-dog would be unable to display the requisite speed or stamina to succeed in a field trial.
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