Sayyiduna al-Bara' (may Allah be pleased with him) says: Sheep are a blessing.
Abu Ya'la recorded it; its narrators are the narrators of the Sahih, except Abdullah bin Abdullah al-Razi, and he is thiqah (trustworthy).
Hadith Referenceمجمع الزوائد ومنبع الفوائد / كتاب البيوع / 6261