Compared to heavily producing does, what is the potential lifespan for wethers kept purely as pets?

Answer

Mid-teens and occasionally beyond

Wethers that are castrated and kept as pets, without the constant demands of breeding or heavy milking, have shown tendencies to live longer, sometimes reaching the mid-teens or beyond.

Compared to heavily producing does, what is the potential lifespan for wethers kept purely as pets?
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