Garlic: An Alternative to Antibiotics in Poultry Production, A Review

In last decade, the uncontrolled use of antibiotics as growth promoter for livestock has led to the appearance of antibiotic-resistant pathogens and increased risk of infectious diseases. This situation has triggered intensive research efforts to find safe alternative strategies. Certainly, the plants and vegetables and their derivatives as natural safe substances could be good candidates in this respect. There is huge information on the immunostimulatory properties of herbal plans in human, and may contribute considerably to the improvement of the health and immune response and prevention of certain diseases in animals including poultry. Garlic (Allium sativum) is an herbal plant that has traditionally been used for the healing a number of human diseases and has in recent years been revealed to have immunostimulatory, anticardiovascular disease, antitumour, antioxidant and antimicrobial properties. The scientific evidences suggest that allicin and other active components of garlic have also some positive effects for livestock, including hypocholesterolemic, growth promoting, antimicrobial and antioxidant effects.