Zoos play a vital role in managing and conserving a wide range of threatened species and in enhancing their populations in natural habitats through captive breeding and reintroduction programmes. Most small felids are poor breeders in zoos, owing to a range of issues such as spatial constraints, diet, disturbance from visitors, small population size, social grouping and other environmental factors in the exhibits. Many of these factors have also been found to influence the glucocorticoid levels among them.
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