Study Temurah folio 21A with parallel Hebrew-English text, traditional commentary, and modern study tools. Free access to Babylonian Talmud online.
but the offspring itself is not sacrificed as a burnt offering. R' Avin bar Kahana responds: What are we dealing with here? It is a case where the female designated as a guilt offering or as the substitute of a guilt offering gave birth to a female, which cannot itself be offered as a guilt offeri
Mishnah: With regard to the substitute of a firstborn offering and the substitute of an animal tithe offering, and the offspring of those substitutes and the offspring of their offspring until the end of time, the halakhic status of these animals is like that of a firstborn offering and like that
What is the practical difference between a firstborn offering and an animal tithe offering and all the other sacrificial animals? The difference is that all the other sacrificial animals that were blemished and redeemed are sold in the butchers’ market [ba’itliz], and slaughtered in the butchers’ m
And in addition, all sacrificial animals that became blemished are subject to redemption through sale, at which point the money becomes sacred and the animal becomes non-sacred, and their substitutes are also subject to redemption through sale. This is true for all consecrated animals, except for th
R' Shimon says: What is the reason for this last difference between them? It is that the firstborn and animal tithe offerings have a remedy in their place outside Eretz Yisrael, as they can graze until they become blemished and then can be eaten there. It is not necessary to bring them to Eretz Yisr