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Environmental examination

Background

Information about environment condition is important to obtain comprehensive information while conducting disease investigation. The importance of the environment is illustrated in the epidemiological triangle above, and should not be ignored. Some environmental conditions can affect the health such as poisoning which may be caused by environmental contamination from chemical waste. For instance, during the planting season where many farmers use chemical fertilizer that can contaminate grass, water and other livestock"s feed. Using the five senses can be used as a simple method of examination. For example, in a commercial chicken farm, strong smell of ammonia can indicate the poor level of cage hygiene and so on. Production systems, husbandry and presence of other species can be important. Examination of the environment is also addressed in the Field Epidemiology course