Wow, Bigfoot. I'm no Taurus or Arkansas or Frank but you are getting wacky and I can see why the new members don't post on here very much all because of other posters. You do have a problem here and it ain't me.
It's so baffling that how could someone don't give a fork about that poor calf or his/her neighbor's loss but insists to talking about the Polio subject.
Sometimes I don't understand why it is a necessary to using a longhorn or a corriente bull on the heifers. I brought some Angus heifers bred by a corriente bull few years ago. No birth issues but I was embarrassed when I showed up with these trashy calves at the sale barn.
Doesn't mean these black angus were fullblood Angus. Sounds like the horned calves may be sired by something other than these angus bulls. But for most time, the homozygous polled bulls should knock the horns off in the calves regardless of the cow is horned or heterozygous polled.
Sounds like these Angus bulls have something in them or does you meant scurred calves? I don't see it as a big deal, using a horned bull as a terminal sire. I can see your point on the replacements but I knew someone have a herd of longhorn cross cows, used a black Simmental bull on them and I...
It shouldn't be an issue if you are breeding horned Hereford bull to polled angus cows or polled angus bull to horned Hereford cows. The F1 offspring should be heterozygous polled. If you wanted replacements, then don't use horned Herefords or at least breed the F1 to another polled breed such...