A study by Nocek and Russell compared four diets containing similar amounts of carbohydrates and protein, but rumen availability varied greatly. The diet containing both rapidly available carbohydrate and protein had the highest amount of microbial protein synthesized. The diet with slower carbohydrate availability and rapid protein availability had a surplus of crude protein. Much of this surplus passed out as peptides or ended up as unused ammonia. M any factors, such as particle size, processing techniques, etc., can effect rumen availability.
Most displacements are to the left.
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