Reference for Chullin 232:4

אמר רב הונא

IS FORBIDDEN; THE [MILK IN THE] STOMACH OF A TREFAH ANIMAL WHICH HAD SUCKED FROM A VALID ANIMAL IS PERMITTED, BECAUSE THE MILK REMAINS COLLECTED INSIDE.<span class="x" onmousemove="('comment',' It does not mix with the other fluids in the stomach of the trefah animal, but remains separate and distinct and is therefore permitted.');">¹</span>

Jastrow

Jastrow

Jastrow

Jastrow