Eli5: Why are horses who break their legs so often euthanized?
In: 3613
Not a veterinarian,
The reason I know is that is really hard for them to recover because they use their legs much more than other animals and their lower legs bones are quite small.
1: Horses leave their life standing, walking or running. They take naps standing, even if they need to sleep down few hours every day.
The bone cannot heal properly if it is not resting for the first weeks.
2: the last part of the legs is evolved from the same bones we have in the [feet](https://lh3.googleusercontent.com/-lIfyVnwZ-RM/TYY-i6K1t2I/AAAAAAAAAWw/qo7O2YkiyBg/s1600/arto+cavallo.gif).
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