Vasil Pirgozliev

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 ...

1. IntroductionExogenous xylanase (XYL) has been routinely used in poultry diets to hydrolyse nonstarch polysaccharides (NSP) and improve the feeding quality of fibre-rich diets, including wheat [1]. The beneficial effect of XYL in wheat-based diets is mainly attributed to the reduction of digesta viscosity, improving digestion and absorption of nutrients, dietary energy availability and subsequen ...

IntroductionTo prevent the risk of developing pathogens resistant to antibiotics and also to satisfy consumer demand for a food chain free of drugs, the use of in-feed antibiotics in the European Union was banned in January 2006, and this policy is being considered in other parts of the world. Consequently, the poultry industry seeks an alternative for antibiotics as growth promoter ...