Reference for Chullin 185:7

בהמה בחייה פרוקי מיפרקא

But this cannot be, for has not R'Abba also said in the name of Rab Judah on the authority of Samuel that the fat which is under the loins is forbidden?<span class="x" onmousemove="('comment',' Although this fat is covered by the loins.');">²</span>

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