There is no prescribed punishment for one who has sexual intercourse with an animal. Abu Dawud said: 'Ata is also so. Al Hakam said: I think he should be flogged, but the number should not reach the one of the prescribed punishment. Al-Hasan said: He is like a fornicator. Abu Dawud said: THe tradition of 'Asim proves the tradition of 'Amr b. Abi 'Amr as weak.
لَيْسَ عَلَى الَّذِي يَأْتِي الْبَهِيمَةَ حَدٌّ