- Aug 9, 2020
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And, if you breed that bull to commercial Angus cows that may be heterozygous for black, you could actually end up with 25% of the crop being red baldies, too! Last year, when I was helping my client select the Black Hereford bull semen, to breed their Brangus cows too, we picked semen from the tested homozygous black bulls. I don't recall seeing any in the catalogs, that weren't. Any bulls for sale (and they did buy 2) had the same info available. They have also this year, bought about 18 or 20 registered Black Hereford cows, and all of these were tested homozygous for black. So, you can avoid using Black Hereford cows or bulls, that are heterozygous for black.Not every registered black hereford is homozygous black. So if you bred a hetero BH to an angus cow, every calf would be black, but 25% would be red carriers.
There is also quite a number of them that won't produce a 100% white faced calf crop.