Immune system an important and crucial system in the body which plays a vital role for animals which is helpful in providing better health and growth to them. A better immunity and immune system provide strength to the body to fight from diseases and other harmful attacks of external pathogens, bacteria, viruses which tries to invade the body. In some cases, if immunity gets affected, it makes the body vulnerable to attack of viruses or pathogens. The ability of cattle to protect themselves from diseases and external virus attacks is very impressive. Better immunity is provided by the feed. Immunity gets affected by many factors like natural exposure, vaccination, physical stress etc which lowers the health. To ensure the body from affecting 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. In this case we can use “Fertimon” a highly used herbal phytogenic 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.