Reference for Bekhorot 52:6

וכל שכן עולה דלא משהי לה

But have we not learnt: WHICH BECAME TORN AWAY'? - It says WHICH BECAME TORN AWAY, to show to what lengths the Rabbis are prepared to go<span class="x" onmousemove="('comment',' That they forbid even if the wool became detached, but in reality according to Akabya, one may actually pluck the wool of a blemished firstling.');">²</span>

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