Reference for Chullin 154:26

המפלת מין בהמה חיה ועוף ושליא עמהן

Why? - Because the majority [of young born by a consecrated animal] is holy.<span class="x" onmousemove="('comment',' For the young of a consecrated animal, whether male or female, is holy, save for the case of a nidmeh.');">¹⁵</span>

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