Milk is highly essential food in our life, even if considered as a highly favorable medium for multiplication of different types of microorganisms including disease-producing bacteria as Nocardia species, especially if milk is produced, stored, or handled under poor sanitary conditions. Nocardia species continue to be highly dangerous human pathogens. There is an increase interest of Nocardia species particularly N.asteroides as health risk affecting both human and animal. Also, because of the involvement of milk in human infection. The genus Nocardia was named after Nocard in,...

Tuberculosis is regarded as one of the most widespread diseases in all parts of the world and posed a risk to public health, according to the world health organization (WHO) statistics for the year 2005, there are 1.7 billion people are infected with TB (about one third the world population).At the global level about the victims of this disease (3) million people a year are expected to die about (30) million people in this contract as a result of tuberculosis, almost four times the number of deaths due to disease HIV and AIDS in the same period of time. Bovine TB is considered the most...