Disclosed are compositions comprising NPN compound coated with a bypass agent allowing ruminal bypass of the composition and a method for increasing fiber digestibility a method for increasing feed intake a method for increasing somatic growth a method for increasing milk production a method for reducing N excretion in a ruminant a method for improving rumen pH stability in a ruminant a method for preventing or reducing ammonia toxicity in the rumen. The compositions and methods of the invention are particularly suitable for ruminants that are held in harsh climates and/or at remote locations from a farm.
