Study Chullin folio 32A with parallel Hebrew-English text, traditional commentary, and modern study tools. Free access to Babylonian Talmud online.
But if another animal was inadvertently slaughtered together with the red heifer in the same action, according to R' Natan, who holds that the slaughter of non-sacred animals without intent is valid, the red heifer is disqualified, because an additional labor was performed with its slaughter, and
The Talmud asks: That is obvious; why did Rava have to teach that? The Talmud answers: It was necessary for Rava to teach the halakha according to the opinion of R' Natan in the case where another animal was inadvertently slaughtered in the same action with the red heifer. It may enter your mind to
Rava adds: If one slaughtered a red heifer and in the same action cut a gourd together with it, everyone agrees that the red heifer is disqualified. If one slaughtered a red heifer and a gourd was inadvertently cut together with it in the same action, everyone agrees that the red heifer is fit for
Mishnah: If, when one was in the middle of slaughtering an animal, the knife fell and he lifted it and then completed the slaughter, or if his garments fell and he lifted them and then completed the slaughter, or if he had honed the knife and grew weary before completing the slaughter and another c
Talmud: The Talmud asks: What is the meaning of an interval equivalent to the duration of an act of slaughter? Rav said: It means an interval equivalent to the duration of an act of slaughter of another animal, not the duration required to complete the act of slaughter that was interrupted.