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  1. Enriching tortoises: assessing color preference

    Contributor(s):: Passos, L. F., Mello, H. E. S., Young, R. J.

    Environmental enrichment is a principle that is used to enhance the quality of care for nonhuman animals in captivity. To achieve this, it is necessary to understand the animal's needs. This study focused on color preference to provide food stimuli as a source of environmental enrichment for the...

  2. Enrichment and primate centers: closing the gap between research and practice

    Contributor(s):: Baker, K.

    A wealth of published research is available to guide environmental enrichment programs for nonhuman primates, but common practice may not consistently correspond to research findings. A 2003 survey to quantify common practice queried individuals overseeing enrichment programs about (a) social,...

  3. Enrichment effects on rhesus monkeys successively housed singly, in pairs, and in groups

    Contributor(s):: Schapiro, S. J., Bloomsmith, M. A., Porter, L. M., Suarez, S. A.

  4. Enrichment for captive tigers (Panthera tigris): Current knowledge and future directions

    Contributor(s):: Szokalski, Monika S., Litchfield, Carla A., Foster, Wendy K.

    Environmental enrichment is a common approach for addressing stereotypic behaviour in captive animals. Like many big cats, tigers (Panthera tigris) are renowned for their stereotypic pacing, yet relatively little is known about optimal enrichment for this species. Given the large proportion of...

  5. Environmental Complexity: Additional Human Visual Contact Reduced Meat Chickens' Fear of Humans and Physical Items Altered Pecking Behavior

    Full-text: Available

    | Contributor(s):: Taylor, P. S., Hemsworth, P. H., Rault, J. L.

    Increased environmental complexity can improve animal welfare, depending on the resources provided and use by the animal. We provided chickens either with physical items that posed no biosecurity risk and were inexpensive (balls, chains, perches and rope) (P; n = 36) or additional visual human...

  6. Environmental enrichment alters the behavioral profile of ratsnakes ( Elaphe )

    | Contributor(s):: Almli, L. M., Burghardt, G. M.

    This study investigated the effects of environmentally enriched and standard laboratory housing conditions on behavioral performance in 16 subadult ratsnakes (Elaphe obsoleta) using a split-clutch design. In a problem-solving task, snakes housed in enriched environments (EC) exhibited shorter...

  7. Environmental enrichment and cognitive complexity in reptiles and amphibians: Concepts, review, and implications for captive populations

    | Contributor(s):: Burghardt, Gordon M.

    Reptiles and amphibians have been neglected in research on cognition, emotions, sociality, need for enriched and stimulating environments, and other topics that have been greatly emphasized in work on mammals and birds. This is also evident in the historic lack of enriching captive environments...

  8. Environmental enrichment and social rank affects the fear and stress response to regular handling of dairy goats

    | Contributor(s):: Miranda-de la Lama, G. C., Pinal, R., Fuchs, K., Montaldo, H. H., Ducoing, A., Galindo, F.

  9. Environmental Enrichment Effect on Fecal Glucocorticoid Metabolites and Captive Maned Wolf (Chrysocyon brachyurus) Behavior

    | Contributor(s):: Coelho, Carlyle Mendes, Azevedo, Cristiano Schetini de, Guimarães, Marcelo Alcino de Barros Vaz, Young, Robert John

    Environmental enrichment is a technique that may reduce the stress of nonhuman animals in captivity. Stress may interfere with normal behavioral expression and affect cognitive decision making. Noninvasive hormonal studies can provide important information about the stress statuses of animals....

  10. Environmental enrichment exerts anxiolytic effects in the Indian field mouse (Mus booduga)

    | Contributor(s):: Varman, D. R., Ganapathy, Marimuthu, Rajan, K. E.

    Environmental enrichment (EE) is known to have behavioral and physiological anxiolytic effects in several animal models. However, it is as yet unclear how EE modulates behavior of wild animals and the underlying molecular mechanisms. The adult male field mouse Mus...

  11. Environmental enrichment for aquatic animals

    | Contributor(s):: Corcoran, M.

  12. Environmental enrichment for captive Eastern blue-tongue lizards ( Tiliqua scincoides )

    | Contributor(s):: Phillips, C. J. C., Jiang, Z., Hatton, A. J., Tribe, A., Bouar, M. le, Guerlin, M., Murray, P. J.

    Eastern blue-tongue lizards (Tiliqua scincoides) are kept in zoos and increasingly commonly as exotic pets, but little is known about improving their welfare by enrichment of their environment. Using nine animals kept individually in cages provided with a brick for basking and a pipe for hiding,...

  13. Environmental enrichment for fish in captive environments: effects of physical structures and substrates

    | Contributor(s):: Joacim Näslund, Jörgen I Johnsson

  14. Environmental enrichment for maned wolves ( Chrysocyon brachyurus ): group and individual effects

    | Contributor(s):: Vasconcellos, A. S., Guimaraes, M. A. B. V., Oliveira, C. A., Pizzutto, C. S., Ades, C.

    Procedures that increase foraging and exploratory behaviours are generally accepted as effective at improving welfare and reducing stereotypies in captive animals. To determine the effect of food and toy enrichment on the behaviour and hormonal levels of maned wolves (Chrysocyon brachyurus), 11...

  15. Environmental enrichment for New World primates: introducing food-irrelevant objects and direct and secondary effects

    | Contributor(s):: Renner, M. J., Feiner, A. J., Orr, M. G., Delaney, B. A.

    This study examined methods of environmental enrichment for zoo animals for 4 New World primate species: pygmy and Geoffrey's marmosets (Cebuella pygmaea and Callithrix geoffroyi), red-bellied tamarins (Saguinus labiatus), and golden- headed lion tamarins (Leontopithecus chrysomelus). Subjects...

  16. Environmental enrichment for ostrich, Struthio camelus , chicks

    | Contributor(s):: Christensen, J. W., Nielsen, B. L.

    Commercially reared ostrich chicks are typically kept in barren, indoor environments. This experiment investigated the effects of environmental enrichment on the pecking behaviour, exploration, food consumption and novelty responses of ostrich chicks aged 10 to 21 days. Four groups of 20 randomly...

  17. Environmental enrichment impacts discrimination between familiar and unfamiliar human odours in snakes (Pantherophis guttata)

    | Contributor(s):: Nagabaskaran, Gokulan, Burman, Oliver H. P., Hoehfurtner, Tatjana, Wilkinson, Anna

  18. Environmental enrichment in captive juvenile thornback rays, Raja clavata (Linnaeus 1758)

    | Contributor(s):: Greenway, Eleanor, Jones, Katherine S., Cooke, Gavan M.

    There are few studies investigating captive conditions for commonly kept public aquaria species. Here the thornback ray (Raja clavata) was used to determine preferred captive conditions via choice tests and behavioural observations. Substrate type, substrate colour, substrate depth, group size...

  19. Environmental enrichment influences of pig behavior, performance and meat quality

    | Contributor(s):: Hill, J. D., McGlone, J. J., Fullwood, S. D., Miller, M. F.

    320 pigs (PIC commercial crossbreds and PIC 1/8th Meishan crossbreds) were exposed to 1 of 5 environmental treatments from weaning to slaughter at >110 kg body weight. The treatments consisted of isolation (NEG), weekly normal handling (NOR), daily normal handling + enrichment devices (TOYS),...

  20. Environmental enrichment: a GAP analysis. (Special Issue: Conservation, enrichment and animal behavior.)

    | Contributor(s):: Azevedo, C. S. de, Cipreste, C. F., Young, R. J.

    GAP analyses are tools used to inform us about the short-comings of a scientific area or necessities in social-economic problems. In the last 20 years, environmental enrichment as an area of scientific investigation has come of age; this can be clearly seen by the number of publications produced...