gwaydms t1_j6ku9nl wrote
Reply to comment by ChronoComputer in TIL When a cow has opposite sex twins, the female twin is usually born intersex and infertile. This happens because the twins blood supplies are linked, which exposes the female to male sex hormones. by awawe
Dr. Pol educated the farmer because he didn't know what a freemartin was, much less that he had one. I learn so much on that show.
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