Combinations of acids, salts and other functional feed additives are a new generation of feed additives which can hardly be classified as acidifiers. However, following the development of those products since the mid of the last century it is still save to speak about the third generation of organic acids.
Feeding the world is an important objective since the rising global population comes with an increasing demand for food. Addressing this challenge, animal production transformed during time from a basic need to a significant economic sector: The value of global livestock production in 2013 has been estimated at about 883 billion dollars.
While antibiotics such as polypeptides, fluoroquinolones and sulfonamides have been typically used to treat salmonellosis (Jacob, 2015), the rising need to reduce or eliminate the use of antibiotics in production systems means that disease prevention is gaining increasing priority.