Reference for Bekhorot 57:5

בשלמא בעל מום משום דקא שרי ליה אלא תם אמאי

- In one case, [i.e., of large cattle], he has much trouble,<span class="x" onmousemove="('comment',' To cast it on the ground in order to bind it so as to enable the expert to examine it.');">⁵</span>

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