Reference for Pesachim 168:19

איתמר אבר שאין עליו כזית בשר במקום זה ויש עליו כזית בשר במקום אחר רבי יוחנן אמר יש בו משום שבירת העצם רבי שמעון בן לקיש אמר אין בו משום שבירת עצם

On the view that [the verse refers to] a fit [sacrific is indeed fit, but on the view that [only what is] fit for eating [is subject to this law], this [however] is no for eating, for the fat tail is offered to the Most High.<span class="x" onmousemove="('comment',' I.e., it is burnt on the altar together with the emurim (v. Glos.) .');">¹⁶</span> R'Ashi said: In such a case it is certainly not subject to the [prohibition of] breaking a bone, for it is certainly unfit for eating at all.

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