To work needed Modloader 1.2.5. Just drag and drop archive content in minecraft.jar.
Given Mod adds to the game very beautiful mob – Bull!
He has a very beautiful animation, it falls to the meat, as with ordinary cows.
As well, you can ride with a special saddle.
The plans do's ability to tame bulls, dress them in armor, etc.
Video review of SemchenkoKirill: