Sayyidah Asma bint Abi Bakr (may Allah be pleased with her) says: In the time of the Messenger of Allah (peace and blessings be upon him) we performed nahr of a horse and ate it. And Abdah says: We slaughtered (dhabh) it.
(b) Sayyidah Aishah (may Allah be pleased with her) relates in the story (of the Hajj) that on the day of sacrifice we were given beef. I asked: "What is this?" They said: "He has performed nahr of a cow on behalf of his wives." In one narration it says that he slaughtered it. In one narration it says that he (peace and blessings be upon him) performed nahr of a cow on behalf of his wives, and in another narration, which is from Sayyidah Aishah (may Allah be pleased with her), that he slaughtered a cow.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الضحايا / 19133