Related for Chullin 186:28
חיצון סמוך לבשר אסור ואין חייבין עליו
R'Papa said: They do not disagree, for here it is a question of punishing him with stripes,<span class="x" onmousemove="('comment',' In that case he must have overlooked at least an olive's bulk of fat. In addition to stripes he is barred from trading as a butcher (R. Nissim) . 'Stripes' here is not that ordained by the Torah but corporal punishment inflicted for disobeying a Rabbinic law, i.e., Makkath Marduth, stripes for rebellion. (cf. Yoreh Deah, LXIV, 21) .');"><sup>13</sup></span>
Jerusalem Talmud Demai
Rebbi Eleazar in the name of Rebbi Hoshaiah: It is a condition imposed by the Court that the fat206That fat of a four-legged animal, which in a sacrifice would go on the altar, is forbidden for profane use (Lev. 3:17). It has to be cut out before the piece of meat is sold. be on the butcher and the sciatic tendon207It may not be eaten (Gen. 32:33). It must be cut out together with all the fat in which it is embedded. The butcher would naturally cut out only the minimum of fat in order to maximize his profit. on the buyer. Rebbi Abbahu made it common usage in Caesarea that both should be on the buyer, so that they would amply take out.
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