Abu Ishaq al-Sabay'ai' أبو إسحاق السبيعي عمرو بن عبد الله · The Book of ad-Dahaya (Sacrifices)

"Ibn Al-Musayyab told me that Umm Salamah, the wife of the Prophet told him that the Messenger of Allah said: 'Whoever wants to offer a sacrifice, let him not remove anything from his nails or cut his hair for the first ten days Dhul-Jijjah."'

"Whoever wants to offer a sacrifice when dhul-Hijjah begins, let him not remove anything from his hair or nails." I (the narrator) mentioned that to 'Ikrimah, and he said: "Should he not also keep away from women and perfume?"

"when the (first) ten (days of Dhul-Jijjah) begin, and one of you wants to offer a sacrifice, let him not remove anything from his hair or skin."

"I have been instructed to take the Day of Sacrifice as an 'Id which Allah, the Might and Sublime, has ordained for this Ummah." The man said: "What do you think if I cannot find anything but a female sheep that has been loaned to me so that I may benefit from its milk - should I sacrifice it?" He said: "No. Rather cut something from your hair and your nails, trim your mustache and shave your pubic hairs, and…

"We slaughtered (Naharna) a horse during the time of Messenger of Allah and ate it." In his hadith Qutaibah (one of the narrators) said: "And we ate its meat." (Sahih ) 'Abdah bin sulaiman contradicted him.