Reference for Bekhorot 39:41

אין טינוף פחות משלשים יום

agrees with Ze'iri's dictum, whereas his own opinion<span class="x" onmousemove="('comment',' Which says: But a goat six months old which discharges gives birth in its first year. It cannot, consequently. hold that the discharge lasts the full thirty days as laid down by Ze'iri's dictum, for then, allowing for the full months of pregnancy, it could not give birth in the first year.');">¹¹</span>

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