ProgutĀ® improved feed conversion ratio and reduced mortality in young broilers until 14 days of age. It immproved broiler feed conversion ratio during 42 days rearing period on average by 2 points. It increased concentration of IgA in broiler gut by 38%. It reduced Salmonella count in boot swab by almost one log in comparison to control, when applied in broiler diet during the last 2 weeks of rearing.