This is useful.
What are the negative impacts of winter feeding?
Deer are ruminants, meaning they have a four part stomach with microbes (bacteria) that help digest woody vegetation. Deer acquire specifically adapted microbes over a period of time that digest specific food material. For example, during spring as the green-up of vegetation slowly occurs, deer will slowly begin to use the new food source as the season progresses. When deer eat food that has not been part of their diet, such as large quantit