Can deer eat rice? Deer can eat rice, but you must use caution. Rice contains a lot of carbohydrates and energy, so giving rice to deer may be toxic considering the type of digestive system that deer have.
With the high amount of carbohydrates in rice, you should not give too much (no matter the type) to deer.
As ruminants, deer have a rumen in which there are millions of microbes such as fungi, bacteria, protozoans, etc. The microbes in the rumen of deer help deer digest materials quickly
This means that there is the need to drink water after consuming rice. In harsh seasons such as winter, there is no or very little water available to deer so if you give rice to deer without water, you may be doing more harm than good.
With a fiber content of over 60%, you should know that even if deer can digest fiber, they will digest the rice bran very slowly.