To demonstrate the interrationship between digestive system of poultry and the development, function, specific immunity (GALT) and health of the gastrointestinal tract, its function related to growth, digestion and uptake of nutrients.

To assess the mechanism of pathogen control in the avian gastrointestinal tract and implications of feed processing technies on the structure health and functional development of GIT, availability of nutrients, performance and quality of foods of animal origin.