Outer Mongolia, 1966. Selection of wheat variety by a Mongolian agronomist. Dr. N.G. Ipatenko, a veterinary laboratory expert from U.S.S.R. working for the Food and Agriculture Organization of the United Nations (FAO) was assigned to Ulan Bator for the period September 1964 ? September 1966 to assist the Government of this country in the diagnosis and control of infectious diseases of animals (horses, camels, cattle, yaks and sheep) particularly zoonoses, i.e. those transmissible from animals to man, namely glanders, tuberculosis and brucellosis. For a population of just over 1 million people, there were in the area in 1965 nearly 2 million cattle, yaks and their crosses, 13 million sheep, 4,700,000 goats, 700,000 camels and 2,400,000 horses.