Reference for Chullin 155:9

<br><br><big><strong>הדרן עלך בהמה המקשה</strong></big><br><br>

<big><b>MISHNAH: </b></big>[THE LAW OF] IT AND ITS YOUNG<span class="x" onmousemove="('comment',' Lev. XXII, 28; the penalty for the infringement of this prohibition is forty stripes. Whether the prohibition applies only to the cow or ewe and her young or also to the bull or ram and his young, is a question disputed in the Gemara infra.');">⁵</span>

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