POPM 4230 Lecture Notes - Lecture 2: Somatic Cell, Pasteurellosis, Dietitian
15 Sep 2018
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Objective is extinction of a species of infectious agent from a population. Many different environments, economies (expensive), standards and codes of practice from different countries. To date, smallpox in human and rinderpest in cattle. Characteristics of an eradicable disease: no carrier state, no subclinical infection / short incubation period, limited to one species or family (ruminants, available intervention - good quality vaccine or test. Canada is free from brucellosis in cattle and pigs, and tb free status except for. Mainly due to test and cull program (if test positive, then they are euthanized) Farm level: depopulation, large portion or entire population is removed, depending on the disease (determine what is done and where, e. g. Test must either isolate disease agent or test for evidence of an immune response to agent but no test is perfect. Need to be sure that the test is accurate sensitivity (the ability of a test to identify truly diseased infected animal.
