It took mere seconds for a bull to kill Avoca farmer Alfred Albrecht….Unpredictable and lethally powerful, dairy and beef bulls have been killing farmers for centuries. Since 2000, bulls have killed at least 19 people in Wisconsin, according to a report by UW-Madison agriculture safety expert Cheryl Skjolaas. No other kind of animal has killed more than four people in the state during that span, the report said.