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awawe OP t1_j6jry3k wrote

Reply to comment by Seeksp 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

According to the article the male isn't affected very much, though he may be slightly less fertile due to a decrease in testicle size.

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Seeksp t1_j6js6rl wrote

Interesting. I took a lot of animal science in uni and they always taught us both were infertile.

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TylerBradleyLegend t1_j6ju3e8 wrote

Unless you received your degree from a religion based university, it's safe to say you can still trust your education over a Wikipedia page....

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Cannie_Flippington t1_j6klvgc wrote

Except with tigons and ligers! My favorite example of assumed sterility. Apparently the whole world just forgot they weren't actually sterile for 20 years.

https://www.nature.com/articles/nindia.2017.46

I can never find the article where a zoo had a tigon enclosed with an opposite sex tiger and was so surprised when they had babies.

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Seeksp t1_j6judvy wrote

I do. Land grants pride themselves on science based research.

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