ELi5: Before sheep shearing by humans was common, did all sheep just grow large, unmanageable coats that caused them to overheat or attracts pests and just eventually die?
In: Biology
Sheep didnt exist like that before humans. We bred them to have the amount of fur they now do. They probably had a coat closer to a wild alpaca or somthing, still really thick, but not to the point it would dreadlock and cause disease and death.
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