Immunological veterinary medicinal product representing a vaccine administered orally, subcutaneously, intradermally or intramuscularly, intraperitoneally or intranasally, containing an extract of ginseng root Panax varieties of Ginseg CA Meyer, Panax quinquefolium L., Panax japonicus, Panax vietnamnensis, Panax notoginseng. [i karbomar] and the immunogenic active substance and the immunogenic substance