Reference for Bekhorot 6:17

יתר עליהן אדם עיניו שתיהן גדולות שתיהן קטנות

in which the sanctity [of the firstling] does not exist.<span class="x" onmousemove="('comment',' There is need therefore for R. Johanan to inform us that even in this case it is a blemish since there is a change in the animal.');">¹²</span>

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