Category:Physical causes of disease
By the nature in which they live wild animals are subject to a large number of physical causes of disease. These include predation, inter- and intra-species conflict, environmental causes, and the consequences of capture, chemical immobilisation, and transport for various purposes.
Stress in itself is inflicted by many of these conditions and activities, and because of the pivotal role that it plays in the well-being of animals, it is necessary to understand its pathophysiology and the varied effects on the body, to allow its management.
In many respects, it is difficult to deal with the various causes in isolation; for example, during capture and immobilisation, various problems may arise including the development of capture myopathy, hyperthermia, and stress and it is often impossible to determine the primary cause of the problem or death of an animal. In most instances, there is no single cause and multiple mechanisms are applicable.
Injury and death are common problems when animals are captured in whichever way, and this reality adds to the risks involved in conducting successful capture and translocation operations. The risk factors include the consequences of trauma sustained during the processes, the effects of different combinations of immobilising drugs, and the effect of body position when immobilised on physiological parameters. The consequences of these activities include: respiratory failure, hyperthermia, capture myopathy, bloat, aspiration of gastric content, stress, and shock.