Sunan an-Nasa'i 4371
سنن النسائي#4371SahihIt was narrated from 'Ubaid bin Fairuz thatAl; -Bara bnin 'Azib said:"I heard the Messenger of Allah say" - and he gestured with his fingers, but his fingers were shorter than the fingers of the Messenger of Allah - he said "It is not permissible to offer as a sacrifice an animal that clearly has one bad eye, a lame animal that is obviously lame, as sick animal that is obviously sick, or an animals that is so emaciated that it is as if there is no marrow in its bones
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiHasan
In-book reference: 43:11