Reference for Bava Kamma 212:14

חייב אתה ליתן לו וטבח ומכר חייב מאי טעמא כל כמה דלא פסיקא ליה מילתא אכתי גנב הוא

followed] the view of R. Meir who said that an animal taken alive out of a slaughtered mother's womb is subject to the law of slaughter.<span class="x" onmousemove="('comment',' V. Hul. IV, 5. ');">²²</span> But still, why not answer that the ruling applied where, e.g., the bailee had already appeared in the Court, and was told<span class="x" onmousemove="('comment',' Before he slaughtered the animal, in which case he would not have to make fourfold and fivefold payments for a subsequent slaughter. ');">²⁴</span>

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