Reference for Sanhedrin 110:2

לא סיפא תקלה וקלון רישא הא קמ"ל דאפילו קלון בלא תקלה נמי מיחייבי והיכי דמי ישראל הבא על הבהמה בשוגג וכדבעי רב המנונא

the former reason is that of stumbling block alone, e.g. when a heathen commits bestiality!<span class="x" onmousemove="('comment',' The reasoning is as follows: Since the second reason refers to both sin and disgrace, the first is superfluous; hence it must have been given in order to shew that even where sin alone is incurred, without degradation, the animal is stoned. ');">²</span>

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