At the Springfield Mo fair there were cattle that looked grossly mutant. Ugly as hell.
You probably looked at a belgian blue.
https://www.google.com/search?q=&tbm=isch&tbs=rimg:CSBeFbYBCuTCIjjrHF_1BHo3YWY8853VnJSwBrIAoN7z9FMobMrvMLWSolyzBlIikxu8qQ9gp5vyHMFfo7fPn4t9FZCoSCescX8EejdhZEficjFUGBWB6KhIJjzzndWclLAERkelffRkjZUcqEgmsgCg3vP0UyhGlCuIaftBviyoSCRsyu8wtZKiXEaIz7SkaCN7TKhIJLMGUiKTG7yoRUMpiJ0nrOXYqEglD2Cnm_1IcwVxEoTWEN7c27ACoSCejt8-fi30VkEQ1KznwYclyD&tbo=u&sa=X&ved=0ahUKEwjIlbLQ2c_WAhXBRiYKHW2AC7IQ9C8IHw&biw=1904&bih=922&dpr=1