Which breeds were introduced in the formalized Australian Labradoodle program besides the Poodle and Labrador Retriever?

Answer

Cocker Spaniel, Irish Water Spaniel, or Soft Coated Wheaten Terrier.

The Australian Labradoodle differs significantly from a simple Labradoodle cross because it resulted from a much more extensive and formalized, multi-generational breeding endeavor. To refine the temperament, coat quality, and overall physical structure into a more consistent type, breeders intentionally introduced the genetics of several other breeds into the lineage over time. These introduced breeds explicitly included the Cocker Spaniel, the Irish Water Spaniel, and the Soft Coated Wheaten Terrier, differentiating the Australian Labradoodle from the basic Labrador-Poodle mix.

Which breeds were introduced in the formalized Australian Labradoodle program besides the Poodle and Labrador Retriever?
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