According to one study cited, how much longer do crossbreeds live on average compared to purebreds?

Answer

They live marginally longer (11.2 years vs 11.0 years)

One study pegged the average lifespan for crossbreeds at 11.2 years versus 11.0 years for purebreds, indicating a marginal difference.

According to one study cited, how much longer do crossbreeds live on average compared to purebreds?
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