Reference for Bava Kamma 110:18

לאו משום דכאן קרן לא כתיבא בה שן ורגל הוא דכתיב ביה וקמ"ל דשן ורגל דמועדין הוא ש"מ:

What special reason was there for taking here SHEEP?<span class="x" onmousemove="('comment',' Which damages by Tooth and Foot. ');">³⁰</span> Is it not because the Torah required a lesser degree of precaution in their case<span class="x" onmousemove="('comment',' I.e. in Tooth and Foot. ');">³¹</span>

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