Used to be back in the sixties as I killed a high dollar Gert bull of my uncles. I know of none today that doesn't mean I don't read the label on something new. Ivomec won't hurt them or I would have a pasture of dead ones.BRYANT":1dezbyx0 said:Is there some kinds of wormer that you can not use on Brahman cattle?
Seems I heard that some place but don't know where ??