The material below is Open Game Content from a 3PP Source
School enchantment (compulsion) [mind-affecting]; Level bard 1, ranger 1, sorcerer/wizard 1, witch 1
Casting Time 1 standard action
Components V, S
Range close (25 ft. + 5 ft./2 levels)
Target a single animal of up to 4 HD
Duration concentration + 1 round/level (D)
Saving Throw Will negates; Spell Resistance yes
This spell instills a mad rage into an animal. The enraged animal will attack anyone within 30 ft. without thinking about its own safety. Furthermore, the animal gains a temporary +4 morale bonus to Strength and Constitution.
A successful Handle Animal check (DC 20) gives the animal another saving throw with a +2 bonus. At the end of the duration, the animal is fatigued for 1d4 rounds.