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bukhari:4249ʿAbdullāh b. Yūsuf > al-Layth > Saʿīd > Abū Hurayrah

When Khaibar was conquered, a (cooked) sheep containing poison, was given as a present to Allah's Apostle.  

البخاري:٤٢٤٩حَدَّثَنَا عَبْدُ اللَّهِ بْنُ يُوسُفَ حَدَّثَنَا اللَّيْثُ حَدَّثَنِي سَعِيدٌ عَنْ أَبِي هُرَيْرَةَ ؓ قَالَ

لَمَّا فُتِحَتْ خَيْبَرُ أُهْدِيَتْ لِرَسُولِ اللَّهِ ﷺ شَاةٌ فِيهَا سُمٌّ