Reference for Bava Metzia 67:3

ומאי פסקא סתמא דמלתא שבחא דאתא מעלמא עביד איניש דמקני שבחא דמגופה לא עביד איניש דמקני

If so, even its shearings and offsprings too [should belong to the bailee].<span class="x" onmousemove="('comment',' Since the ownership of the bailee is assumed to be retrospective, the shearings and offsprings from the time of its delivery as a bailment should be his. ');">³</span>

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