Anatomic and histological structure and functioning of tissues and organs, sub cellular regulatory mechanisms of biochemical and neuroendocrinical character; immunological status of animals in physiological and pathological conditions; recognition and treatment of the most frequent diseases in livestock and companion animals also in animals used for food production; characteristics of quality, hygiene and technology of animal food products; influence of the environment on disease occurrence and health in animals; preclinical and clinical assessment of new medicines and biomaterials; pathogenetic conditioning in system disorders of neoplastic, metabolic, neuroendocrinic and toxic character.