Reference for Pesachim 43:1
אותו אתה משליך לכלב ואי אתה משליך לכלב כל איסורין שבתורה ור' מאיר אותו אתה משליך לכלב ואי אתה משליך לכלב חולין שנשחטו בעזרה
it' you may cast to dogs, but you may not cast to dogs all [other] things forbidden in the Torah.<span class="x" onmousemove="('comment',' I.e., you may not derive any benefit from them.');"><sup>1</sup></span> And R'Meir?<span class="x" onmousemove="('comment',' What is the purpose of 'it', which expresses a limitation, seeing that he learns this from nebelah?');"><sup>2</sup></span> - [He interprets:] 'it' you may cast to dogs, but you may not cast to dogs hullin killed in the Temple Court.<span class="x" onmousemove="('comment',' This may not be eaten, and R. Meir deduces here that all benefit is forbidden, v. Kid. 57b.');"><sup>3</sup></span>