Andrey Shkurin

IntroductionDigestible amino acids and ratios to lysine are used extensively in formulating diets for poultry (broilers, layers, turkeys, ducks, quail, etc.) on a global basis. Amino acid use has and will continue to increase in the coming decades, especially as high priced ingredients, more limited resources and the environmental impact of excessive dietary nitrogen come more into consideration t ...

1. IntroductionFeed materials, such as wheat and maize, are known to be major variables when formulating poultry diets, as their nutrient profile and quality are often inconsistent and deviate from default values used by feed formulation software [1]. Additionally, the feed industry has access to a wide range of feedstuffs and the use of a particular ingredient will often depend on its cost, sinc ...