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Jamma-Lam t1_jb6amn4 wrote

All these domestic animals were much smaller before we genetically selected for larger and larger animals which took hundreds of not thousands of years to get giant horses like Clydesdales.

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tossawaybb t1_jb6lqzf wrote

Just a couple hundred really. Selective breeding is typically quite quick, as evidenced by the English bulldog. Wasn't that long ago they were just a little shorter and stouter than regular dogs

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