calf sire?

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We had a question that perhaps someone might be able to answer. We had our cows pasturing where several bulls, besides our registered black angus, were able to get to our herd. There was one hereford bull, one red angus bull and other black angus bulls. We have had calves off of black cows that are solid red and we were wondering if the hereford or red angus bred the cows. Would there be any white markings from the hereford? How would we know without doing all the necessary blood work? Thanks for any information. Cindy Lozier

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The hereford would be expected to put some white on them, around the legs/feet, face, maybe the belly. It depends on who pure the Hereford is. The other part is actually easier. If two animals are bred that each carry one red gene and one black gene they are heterozygous black. If both pass the red gene, you will get red calves. If one passes red and the other black, the calves will be black. Some pure black angus carry a red gene. If an animal has two black genes, it is homozygous black. No matter what it is bred to the offspring will be black. So, the answer is, to be 100% certain, you need to do the blood work.

dunmovin farms
> We had a question that perhaps
> someone might be able to answer.
> We had our cows pasturing where
> several bulls, besides our
> registered black angus, were able
> to get to our herd. There was one
> hereford bull, one red angus bull
> and other black angus bulls. We
> have had calves off of black cows
> that are solid red and we were
> wondering if the hereford or red
> angus bred the cows. Would there
> be any white markings from the
> hereford? How would we know
> without doing all the necessary
> blood work? Thanks for any
> information. Cindy Lozier
 

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