If you want to discourage wildlife from chewing on your wood, mix a gram or two of Denatonium Benzoate (See https://en.wikipedia.org/wiki/Denatonium ) into your paint/stain before putting it on the wood. It can be found at https://www.amazon.com/Denatonium-Benzoate-Power-Grown-3734-… .
C.J.V.