It is narrated from Sayyiduna Ka'b bin Malik (may Allah be pleased with him) that a black slave girl of theirs slaughtered one of their sheep with a sharp-edged stone. He asked the Prophet (peace and blessings be upon him) about this, and he (peace and blessings be upon him) ordered us to eat it.
Hadith Referenceالمعجم الكبير للطبراني / باب الكاف / 16240