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Resources (1-20 of 1324)

  1. Korsgaard and Non-Sentient Life

    Contributor(s):: Bock, Gregory L.

  2. The Ethical Disconnect of the Circus: Humanity's acceptance of Performing Elephants

    Contributor(s):: Jaynes, Mike

  3. Survival of bottlenose dolphin ( Tursiops sp.) calves at a wild dolphin provisioning program, Tangalooma, Australia

    Contributor(s):: Neil, D. T., Holmes, B. J.

    Mortality of calves born to provisioned mothers is identified in the literature as an issue of concern in dolphin provisioning programs. Wild dolphin provisioning at Tangalooma, Moreton Island, Australia has been occurring since 1992. Each evening, up to eight dolphins are provided with fish in a...

  4. Scientists' assessment of the impact of housing and management on animal welfare

    Contributor(s):: Anonymous

    A total of 22 scientists contributed to a consensus-oriented conceptual framework for assessment of farm animal welfare, addressing priority issues in cattle, pigs, and chickens. They used the Delphi method, in which participants contributed anonymously through e-mail. The framework puts welfare...

  5. 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...

  6. Distressed animal behaviors and some recommendations for improvements at the Kuala Lumpur Zoo, Malaysia

    Contributor(s):: Amber, Haque

    The artificial living conditions of captive animals present numerous challenges for animal caretakers. In this study I explored abnormal behaviors in certain caged animals at the Kuala Lumpur Zoo. Findings obtained from observations of animals and interviews of the zoo staff are followed by...

  7. The use of cage enrichment to reduce male mouse aggression

    Contributor(s):: Ambrose, N., Morton, D. B.

    The complete cleaning of cages has been shown to reduce the level of intermale aggression in mice. This study investigated the effects of the addition of enrichment objects on post cage-cleaning aggression in male BALB/c mice. Enrichment objects were found to significantly reduce aggressive...

  8. Retreat space and human visitor density moderate undesirable behaviour in petting zoo animals

    Contributor(s):: Anderson, U. S., Benne, M., Bloomsmith, M. A., Maple, T. L.

    This study focused on the relationship between nonhuman animal behaviour and environment - specifically, between the undesirable behaviour exhibited by domestic petting zoo animals in the presence of humans and the spatial design of the petting zoo environment. A spatial feature of a petting zoo...

  9. A close keeper-nonhuman animal distance does not reduce undesirable behavior in contact yard goats and sheep

    Contributor(s):: Anderson, U. S., Maple, T. L., Bloomsmith, M. A.

    This study investigated the relation between zookeeper-nonhuman animal distance and the undesirable behaviour that goats and sheep exhibited toward visitors of Zoo Atlanta's (Georgia, USA) contact yard. It hypothesized that a close distance between keeper and animal would be associated with a...

  10. Effects of training on stress-related behavior of the common marmoset ( Callithrix jacchus ) in relation to coping with routine husbandry procedures. (Training Nonhuman Primates Using Positive Reinforcement Techniques)

    Contributor(s):: Bassett, L., Buchanan-Smith, H. M., McKinley, J., Smith, T. E.

    Using positive reinforcement, 12 common marmosets (Callithrix jacchus) were trained to provide urine samples on request. The marmosets were exposed to mildly stressful, routine husbandry procedures (i.e., capture and weighing). The non-human animals spent less time inactive poststressor as...

  11. The effects of chronic exposure to common bedding materials on the metabolic rate and overall health of male CD-1 mice

    Contributor(s):: Becker, C. E., Mathur, C. F., Rehnberg, B. G.

    Anecdotes and personal Web pages claim that cedar and pine beddings cause respiratory distress in rodents, although no previous research could be found to support these claims. There have, however, been published studies of respiratory distress in cedar and pine mill workers. That research links...

  12. Combination therapy reduces self-injurious behavior in a chimpanzee ( Pan troglodytes troglodytes ): a case report

    Contributor(s):: Bourgeois, S. R., Vazquez, M., Brasky, K.

    Self-injurious behavior (SIB) remains a severe and intractable abnormal behavior for nonhuman primates in diverse settings and is a significant concern for veterinarians and behavioral scientists. To date, no single pharmacological, behavioral, social, or environmental intervention method has...

  13. Cage use and feeding height preferences of captive common marmosets ( Callithrix j. jacchus ) in two-tier cages

    Contributor(s):: Buchanan-Smith, H. M., Shand, C., Morris, K.

    Determining appropriate feeding regimes has important welfare implications for captive primates. This study examined the preference of food bowl heights in 6 pairs of common marmosets (Callithrix jacchus) housed in a 2-tier cage system. Given that marmosets are arboreal and spend most of their...

  14. Minimal number of conspecifics needed to minimize the stress response of isolated mature ewes

    Contributor(s):: Carbajal, S., Orihuela, A.

    The objective of this study was to determine the minimum number of conspecifics that sheep require to minimize the stress associated with isolation from the flock. The study used twelve 3-year-old Suffolk ewes. Every test day, the study randomly selected 1, 2 or 3 ewes to be visually separated...

  15. Can ambient sound reduce distress in piglets during weaning and restraint?

    Contributor(s):: Cloutier, S., Weary, D. M., Fraser, D.

    This study monitored the vocal responses of piglets, as indicators of well-being, to evaluate the effect of various sounds played during 2 simulations of stressful farm procedures: (a) the 5 min the animals were held as if for castration and (b) the first 20 h after weaning. The sound treatments...

  16. Primate training at Disney's Animal Kingdom. (Training Nonhuman Primates Using Positive Reinforcement Techniques)

    Contributor(s):: Colahan, H., Breder, C.

    A training programme has been in place at Disney's Animal Kingdom since the non-human animals first arrived at the park. The Primate Team and the Behavioural Husbandry Team have worked together closely to establish a philosophy and framework for this programme. This framework emphasizes setting...

  17. Noise in the animal shelter environment: building design and the effects of daily noise exposure

    Contributor(s):: Coppola, C. L., Enns, R. M., Grandin, T.

    Sound levels in animal shelters regularly exceed 100 dB. Noise is a physical stressor on animals that can lead to behavioral, physiological, and anatomical responses. There are currently no policies regulating noise levels in dog kennels. The objective of this study was to evaluate the noise...

  18. Visitors' effects on the welfare of animals in the zoo: a review

    Contributor(s):: Davey, G.

    Since the 1970s, research about zoo visitors' effects on the welfare of nonhuman animals in captivity has intensified. Numerous studies have shown that characteristics such as visitor presence, density, activity, size, and position are associated with animal behavioral and - to a lesser extent...

  19. Differences in open field behavior between heterozygous and homozygous negative gilts for the RYR(1) gene

    Contributor(s):: Fabrega, E., Diestre, A., Font, J., Carrion, D., Velarde, A., Ruiz-de-la-Torre, J. L., Manteca, X.

    A test widely used to assess fear and novelty responses in domestic species is the open field. The aim of this study was to investigate the effect of RYR(1) genotype on open field behavior in growing pigs. The study subjected 15 heterozygous (Nn) and 15 RYR(1)-free (NN) gilts of 19 weeks of age...

  20. Handling, electric goad, and head restraint: effects on calves' behavior

    Contributor(s):: Goonewardene, L. A., Price, M. A., Stookey, J. M., Day, P. A., Minchau, G.

    96 weaned calves (48 bulls and 48 heifers) were allocated in a 2 x 2 x 2 arrangement to 3 treatments each with 2 levels: calves handled every 10 days or 20 days; an electric goad used or not used; and head gate restrained or not restrained. Behaviour responses were measured by 5 incremental...