ANSWER:

If you are asking about a dog, this doesn’t affect your wudhu. It affects your purity and you must wash the affected area. 

If accidentally licks my pant or leg then will it break my wudu or can I pray if I redo my wudu?

Ablution (Wudhu), Purity | December 26, 2018 4:40 am
Previous

Is it necessary to do ghusl everyday? Because washing the hair everyday may lead to hairfall.
Next

I have a problem in my right ear and the doctor advised my to keep that ear dry for 5 days.Yesterday I was in junub and I did ghusl but I left that ear dry.Is my ghusl valid?