Pig Milk
Depsite people eating pork and wild animal meat, I have never heard people taking milk from any other animal then doemstic 1. It might be grey area but still people avoid it. According to Salafi school of thought, any thing derived from forbidden animal will also be haram. I think we should avoid things which are doubtful. We can follow this hadith https://sunnah.com/nawawi40:6