Bht stands for butylated hydroxytoluene and is derived from phenol. BHT is a lab made chemical and it acts as a preservative and can be used in both foods and also as a feed additive. Bht is considered safe by the FDA department. It can be used for treating multiple diseases because it is a fabulous antioxidant. It damages the protective layer of the viral cells and prevents them from doubling up or becoming enlarged. Human and animal trials are done a lot of time to ensure safety of everyone involved. The Bht antioxidant feed is safe but one has to evaluate before using it on specific animals or livestock as well. It is prohibited to be used in either animal or human pregnant females. It was reported through a survey that bht might have some cancerous effects over the body of animals and humans. But no clinical evidence was ever reported or seen to ensure the fact. Bht food additives are often given to the livestock since it acts as an antioxidant and prevents animals from getting sick or diseased in any case as such. Bht manufacturers are widely present all over the world. The main purpose of the manufacturers is to dispatch safest means of BHT to the poultry members. BHt when added in the diet of the animals ensures that animals don’t fall sick. It secures them from catching all types of viral diseases or infection that are realted to the immune system. BHT promotes the immunity of the animals so that immune system rarely gets affected through infections.