Reference for Menachot 159:5
אמר שמואל כל שבחטאת מתה בתודה אין טעונה לחם כל שבחטאת רועה בתודה טעונה לחם
Samuel said, Whatever in the case of a sin-offering must be left to die<span class="x" onmousemove="('comment',' This is the ruling in the following five cases: (i) The young of a sin-offering; (ii) the substitute of a sin-offering; (iii) a sin-offering whose owner died; (iv) a sin-offering which was lost and its owner had obtained atonement with another; and (v) a sin-offering more than a year old. The animal in these cases was locked up and starved to death.');"><sup>7</sup></span> in the case of a thank-offering does not require the bread-offering.<span class="x" onmousemove="('comment',' Thus the young of the thank-offering (or any of the other cases enumerated in the prec. n., with the exception of (v) , for a thank-offering may be more than a year old) is offered as a thank-offering but does not require the bread-offering.');"><sup>8</sup></span> and whatever in the case of a sin-offering must be left to pasture<span class="x" onmousemove="('comment',' Until it becomes blemished and is then redeemed. For the circumstance v. GEMARA:');"><sup>9</sup></span>