Study Temurah folio 17A with parallel Hebrew-English text, traditional commentary, and modern study tools. Free access to Babylonian Talmud online.
in terms of it being permitted to shear its wool and to perform labor with it. R' Yosei, son of R' Yehuda, says that there is an additional stringency that applies to substitution but not to consecration: The Torah rendered the status of one who acts unwittingly like that of one who acts intentional
R' Elazar says: An animal crossbred from diverse kinds, and a tereifa, and an animal born by caesarean section, and a tumtum animal, and a hermaphrodite animal are not sacred through consecration, and if they were sacred beforehand, e.g., one consecrated an animal and it subsequently became a terei
Talmud: The Talmud asks: What is the reason for the opinion of R' Yosei, son of R' Yehuda, that substitution applies whether one substitutes unwittingly or intentionally? The Talmud answers that the verse states: “He shall not alter it, nor substitute it, a good for a bad, or a bad for a good; and
The Talmud asks: What are the circumstances in which one who acts unwittingly is considered like one who acts intentionally with regard to substitution? Ḥizkiyya said: The circumstances are of one who thinks that it is permitted to substitute one animal for another. With regard to a substitute, th
The Talmud cites an alternative version of Ḥizkiyya’s statement: With regard to a non-sacred animal that was declared a substitute, the animal becomes consecrated, despite the fact that one acted unwittingly. But with regard to sacrificial animals, if it was consecrated unwittingly it is not conse