Reference for Chullin 67:2

לא ס"ד דקתני בשר דאי בתרומה בשר מי איכא

You therefore say it deals with [an animal kept in the cleanness proper to] consecrated animals; [but it is likewise difficult, for] is there such a thing as a consecrated wild beast?<span class="x" onmousemove="('comment',' Of which the Mishnah also speaks.');">²</span>

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