Conclusions
Fifteen percent of medium-quality CDDGS can be
added to diets of laying hens without compromising
performance parameters, and interior and exterior egg
quality as long as the nutrient profile of CDDGS is known
and the diets are formulated on a digestible amino acid
basis. Feed cost can be reduced by supplementing the
diets with CDDGS. Using an enzyme cocktail affecting
anti-nutritional factors in CDDGS may improve the nutritive value of laying hen diets with CDDGS and provide an
economic benefit. In addition, supplementary enzyme
lessened the amount of total N and P released in the
manure which means that less amount of N and P may
end up in the surface and ground water.