Anas ibn Malik · The Book of ad-Dahaya (Sacrifices)

"Do not sacrifice and animal with its ears slit from the front, and animal with its ears slit from the back, an animals with its ears slit lengthwise, and animal with a round hole in its ears, or an animal with one bad eye."

" The Messenger of Allah commanded us to examine the eyes and ears (of animals for sacrifice)."

"Messenger of Allah forbade us from sacrificing an animal with a broken horn." I (the narrator) mentioned that to Sa'eed bin Al_Musayyab and he said: "Yes, m unless half or more of the horn is missing."

"The Messenger of Allah said: 'Do not slaughter anything but a Musinnah, unless that is difficult, in which case you can slaughter a Jadh'ah sheep."'

"The Messenger of Allah sacrificed two Amlah rams."

"There are two things that I memorized from the Messenger of Allah, who said: 'Allah has decreed proficiency in all things, so when you kill, kill well, and when you slaughter, slaughter well. Let one of you sharpen his blade and spare suffering to the animal he slaughters.'" (Sahih)

"We slaughtered (Naharna) a horse during the time of the Messenger of Allah and ate it". (Sahih )

a wolf attacked a sheep so they slaughtered it with a Marwah, and the Prophet allowed it to be eaten.

"I said: "O Messenger of Allah, is slaughtering only in the throat or upper chest?" He said: 'If you stab it in the thigh, that will suffice,"'(Daif)