Musnad Abu Ya'la al-Mawsili 110:183

Abu Kurayb narrated to us, Yahya ibn Adam narrated to us, from Qutbah ibn Abd al-Aziz, from al-A'mash, from Abu Yahya al-Qattat, from Mujahid, from Ibn Abbas, who said: The Messenger of Allah (may Allah bless him and grant him peace) forbade inciting animals against one another.