Lupro-Cid NA is used to lower the level of pathogenic microorganisms in feeds for poultry. Propionic acid, formic acid and their salts have a strong fungicidal and bactericidal action: they inhibit the growth of fungi, yeasts and pathogenic bacteria (coliform group and Salmonella). Lupro-Cid NA improves the taste and nutritional value of feeds, which results in increased productivity and livability of poultry.