Reference for Niddah 100:21

תרנגול דאגמא אסור תרנגולתא דאגמא שריא וסימניך עמוני ולא עמונית

— 'When a great man', Abaye told them, 'said something, do not laugh at him. This was a case of a hen that ran away;<span class="x" onmousemove="('comment',' Lit., 'rebelled', and thus was not before us while alive and for this reason intention would be necessary after it died. It was one of the young of this hen that dropped at Jamnia and gave rise to the discussion. ');">¹⁹</span>

Jastrow

Jastrow

Jastrow

Jastrow