Evaluation of histopathological lesions leading to death in pink-collar parrots with neophobia
Many animals have a fear of novelty, which is known as neophobia. In the wild, avoiding new predators, meals, items, and places has an impact on life history and how animals adapt to new situations. However, because of the bird's anatomical structure, tolerance level, and physiology, this fear can occasionally cause irreparable harm and even death. The aim of this study was to evaluate the histopathological lesions leading to death in pink- collar parrots with neophobia. Necropsy was done and peripheral blood was obtained from the femoral vein and heart after a pink-collar parrot died suddenly. In addition, toxicological and biochemistry samples of bile, vitreous fluid, cerebral fluid, pericardial fluid, stomach contents, feathers, and samples of particular tissues (liver, kidney, and skeletal muscle) were taken. Pathological examinations of heart, lung, and brain tissues were also performed. It was clear that the right atrium had ruptured. The number of aortic cysts and the origin of the coronary artery had altered, indicating that cardiac arrest was more likely. Regurgitation, thickening or torsion of the cheeks' margins, rupture, perforation, calcification, fusion, or alterations in valve flushing were all visible problems in cardiac valves. The Papillary Muscles and the Corda Tendina had changed. Sudden death occurs at the end of a chain of events that leads to cardiac arrest; these events are commonly ventricular fibrillation (VF) or, less frequently, severe bradyarrhythmia.
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