Muwatta Malik · Hadith 1047

وَحَدَّثَنِي عَنْ مَالِكٍ، أَنَّهُ بَلَغَهُ أَنَّ عَبْدَ اللَّهِ بْنَ عَبَّاسٍ، كَانَ يَقُولُ مَا فَرَى الأَوْدَاجَ فَكُلُوهُ ‏.‏

Yahya related to me from Malik that Abdullah ibn Abbas used to say, "You can eat anything that has had its jugular vein cut

Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).