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Calf question

R

Rance

Member
Is it true with twin calves that if one is male and one is female the female will be infertile?
 
Free Martin the name goes back to medieval England . Basically heifer like that was butchered on saint martins day and given to the farm workers so free on saint Martin day or free Martin .
 
Have never been around the situation to verify it, but as I remember from Vo-ag classes that if the two twin calves of individual sexes shared the same placenta (birthing membrane), the female would be sterile, but if they had seperate ones chances are the heifer would breed okay.
 
As centash says, better than 90% chance the female twin will be infertile. I have never owned one that would breed. However, once, at the local auction barn, I saw a heifer with the "enlarged organ" sometimes seen with a freemartin, and she had a big calf in her.

Zeke B.
 
Our vet said 90% will not breed,we gave up years ago chancing on the 10% that will. The placentas almost always touch each other during the pregnancy and the chromosomes transmit between the two.
 
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