What is the key difference today between the GSD and the Berger Blanc Suisse, according to breed comparison?
Answer
The official breed standard they adhere to and recognition status.
When comparing the German Shepherd Dog (GSD) and the Berger Blanc Suisse (BBS), the fundamental divergence today is not biological, as they share ancestry and remain the same species. Instead, the primary distinction lies in human-codified rules: the specific, recognized breed standard each adheres to, and their official registration status. The Berger Blanc Suisse has developed its own standard separate from the GSD standard and has achieved full recognition by the FCI. This difference in official adherence dictates how the dogs are judged in competition and how their lineage is currently traced, more so than any recent genetic split.

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