Economic impact of animal diseases on production systems in South America:case studies

The authors discuss the relative importance of the livestock sector in Sout h America, in developing countries and in countries world-wide. The develop ment of animal health services is highlighted and the new challenges which these services must meet, with respect to the restructuring of internationa l trade, are described. The economic impact of animal diseases and of disea se control is evaluated by taking a regional approach and by analysing prod uction systems. A classification of production systems is accompanied by ca se studies on the economics of animal health. Emphasis is placed on nationa l control programmes, diseases which affect reproduction, parasitic disease s and mastitis, with particular reference to the livestock sector of Colomb ia. The authors suggest that integrated livestock development programmes in clude the management of animal health and production information. A change of attitude is also recommended with greater participation of those involve d. The need to co-ordinate sustained research initiatives is stressed.