Drinking this (or wyvern milk) gives you immunity to diseases, fire, bleeding, and even the negative effects of beer for some reason
Bison Milk
Drink it to gain nourishment and extend the effects of consumed meals, or feed to raise Bison and Wyverns!

More Bison Milk Tips
Keep your adult Bison out after milking, pod will pause the hour cooldown.
Keep a baby bison in a pod, toss it out to trigger a milking and then repod the baby (unless your raising more).
Does substitute for baby Wyvern craving Wyvern milk. (Has an extra hidden perk)
Lasts over 4 days in an ice wyvern
Milk feeds baby wyvern as a replacement for wyvern milk
"Yummers" - HomeLander
(Morewords)
Acts as wyvren milk and will raise maturity for a extra 10% upon imprint