Immunity plays a vital role for animals as it provides a better health and growth to them. A better immunity and immune system provide a better resistance from diseases and other harmful attacks of external pathogens, bacteria, viruses to the body. But in some bad situation immunity gets affected due to several reason which makes the body vulnerable to attack of external attacks of viruses or pathogens. The ability of cattle to protect themselves from diseases and external virus attacks is very impressive and better immunity is provided by better supplementation of feed. Immunity is affected by many factors like natural exposure, vaccination, physical stress etc which lowers the immunity. To ensure the body from affecting from pathogens and makes the immunity stronger there is need of better supplement which provides all the vital nutrients which makes the immunity stronger. If the feed fails in this there is a need of external supplement which helps in removing the immunity problem. Fertimon, a herbal immunity supplement which contains all natural herbs that helps in improving the immunity and making the body more stronger and disease resistance. It is a special mixture of selective herbs which works as immunity modulator, growth promoter, blood purifier etc. The consumption of these herbal immunity powder benefits the body in many ways.