Development of new feed formulations that, when supplemented with fungi and microalgae, provide inhibitory and/or antimicrobial effects, enhance local immunity, and support saprophytic intestinal flora, improving animal welfare in poultry farming. The companies HIFAS VETERINARY S.L., NEOALGAE MICRO SEAWEED PRODUCTS S.L.N.E., GRUPO UVESA and FEUGA are involved in this project.