ANSWER:

If it sustained the injury without your intervention or fault, this can still be slaughtered for eid.

https://islamqa.info/en/answers/39191/if-the-sacrificial-animal-becomes-damaged-after-selecting-it

Shiekh our family got 3 goat for sacrifice on eid al adha. One of them hurted himself on his leg. We don’t know wheather it’s a fracture or just hurt. Can it be sacrificed on eid al adha?

Slaughtering | June 29, 2021 3:03 pm
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Sheikh, is it permissible to eat a meat slaughterd in the name of God or lord…only ths words in English or other languages rather than arabic.
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One of our relatives bought a cow for sacrifice on eid ul.azha from my uncle last year but has not paid yet. My uncle can’t ask for money because he is a close relative of ours. My question is the sacrifice will be accepted without paying someone’s money?