For the source text click/tap here: Yoma 74
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Our daf refers to an animal called a koy which is halfway between domesticated and wild species of quadruped, and debates how far it is subject to the laws governing each category. Scholars are divided on whether the rabbis believed the koy to be a real creature or an imaginary example used for a hypothetical discussion.
Judith Romney Wegner discusses how the koy represents a hybrid:
