This past year we had used peace pellets from Sullivan show supply on a steer that was out of control about a month before our fair. We had gotten it 30 days before the fair and fed one scoop per 1000 lbs once a day and he had settled down incredibly before the fair. Never acted up once on us! Good Luck I know what its like to be in that situation I had to go to the hospital this summer because of my steer. Peace Pellets work GREAT!