In this article we will discuss about the method of field investigation for endemic diseases seen in animals. Epidemiology and Health Management: Health management, as the name implies, is the action of managing the health (including prevention and treatment of disease) of animal populations. In farm animals, the process represents an extension to what are currently called herd health programs. [...]
In this article we will discuss about the analytic observational studies for animal disease etiology. Case-Control Studies of Etiology: The best way to make inferences about the etiology of a sporadic disease without accompanying data on the population base from which they originate is to perform a case-control study. This approach is particularly well suited to cope with rare diseases. [...]
If a control program involves substantial initial investment and the benefits gradually accumulate subsequently, it is necessary to weight annual costs and benefits by a factor making immediate costs and benefits more valuable than those occurring in the future. Benefit-cost analysis is a technique directly applicable to long-term investment in disease control and finds its principal application in the assessment [...]