Mazurkevych T. The Postnatal Period of Ontogenesis of Bursa of Fabricius in Chickens Cross "Lomann Braun"

Bursa of Fabricius of hens. Objective - to study struc-ture, growth and development of hens of bursa of Fabri-cius of "Loman-Braun" cross in postnatal period of onto-genes. Anatomical preparation, macro-, microscopical, cytomorphological, cytochemical, light microscope. For the first time complex investigation of topography, macro- and microstructure of hens of bursa of Fabricius of "Loman-Braun" cross and cell composition of its parenchyma in postnatal period of ontogenesis was conducted. Introduc-tion to scientific research is planning and it is partially made while studying animals morphology and in prepara-tion of appropriate manuals and textbooks. Investigation results increase knowledge about organs of immunogene-sis. Veterinary medicine, immunology, poultry breeding.