Reference for Pesachim 194:5
לישנא אחרינא ואילו בפסח היכא דאבד ונמצא אחר חצות קודם שחיטה יקרב שלמים שמואל כרבה ס"ל דאמר שחיטה קבע
- [His purpose is] to rebut R'Johanan, who said: No Passover is brought as a peace-offering except if it is found after the slaughtering, but not [if it is found] before the slaughtering, which proves that [in his opinion] the slaughtering stamps [it as a rejected animal]; hence he [Samuel] informs us that midday stamps [it]. Another version: Whereas in the case of the Passover, where it is lost and found after midday [but] before the slaughtering [of the second], it is brought as a peace-offering?<span class="x" onmousemove="('comment',' This is another version of the difficulty raised supra 97a: 'But surely an animal which was lost at the time of separating another, in the view of the Rabbis goes to pasture, whereas in the case etc. (continuing as in the text) .');"><sup>6</sup></span>