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  1. Refinement of welfare through development of a quantitative system for assessment of lifetime experience

    Contributor(s):: Wolfensohn, S., Sharpe, S., Hall, I., Lawrence, S., Kitchen, S., Dennis, M.

    This paper proposes a system that uses intrinsic study data to provide a clear visualisation of the stresses involved during the animal's life history that can be applied to all types of studies, even those not requiring invasive techniques. Thus, it provides an opportunity for researchers to...

  2. Effects of visual contact with zoo visitors on black-capped capuchin welfare

    Contributor(s):: Sherwen, S. L., Harvey, T. J., Magrath, M. J. L., Butler, K. L., Fanson, K. V., Hemsworth, P. H.

    Previous research has suggested that the presence of zoo visitors may be stressful for various primate species, and visual contact with visitors may be the sensory stimuli that mediate visitor effects. We studied a group of black-capped capuchins, Cebus apella, in a controlled experiment,...

  3. Can humans discriminate between dogs on the base of the acoustic parameters of barks?

    Contributor(s):: Molnar, C., Pongracz, P., Doka, A., Miklosi, A.

  4. Preference for human eyes in human infants

    Contributor(s):: Dupierrix, Eve, de Boisferon, Anne Hillairet, Méary, David, Lee, Kang, Quinn, Paul C., Di Giorgio, Elisa, Simion, Francesca, Tomonaga, Masaki, Pascalis, Olivier

  5. Road kill in Cameroon

    Contributor(s):: McRae, Michael

  6. Naturalcultural encounters in Bali: monkeys, temples, tourists, and ethnoprimatology

    Contributor(s):: Fuentes, Augustín

  7. Catch me if you can: monkey capture in Delhi

    Contributor(s):: Gandhi, Ajay

  8. Dramatic consequences of food handouts to Macaca thibetana at Mount Emei, China

    Contributor(s):: Zhao, Qi-Kun

  9. Social behavior of black-handed spider monkeys (Ateles geoffroyi) reared as home pets

    Contributor(s):: Anaya-Huertas, C.

  10. Species-specific responses to tourist interactions by white-faced capuchins (Cebus imitator) and mantled howlers (Alouatta palliata) in a Costa Rican wildlife refuge

    Contributor(s):: McKinney, Tracie

  11. Baboons of the Amboseli basin: demographic stability and change

    Contributor(s):: Samuels, A.

  12. Geographic microsatellite variability in Central American howling monkeys

    Contributor(s):: Winkler, Linda A.

  13. Left gaze bias in humans, rhesus monkeys and domestic dogs

    Contributor(s):: Kun Guo, Daniel Mills, Kerstin Meints, Charlotte Hall, Sophie Hall

    While viewing faces, human adults often demonstrate a natural gaze bias towards the left visual field, that is, the right side of the viewee’s face is often inspected first and for longer periods. Using a preferential looking paradigm, we demonstrate that this bias is neither uniquely human...

  14. Social housing of non-human primates in a research facility: socialisation across macaque species and sexes

    Contributor(s):: Rehrig, A., DiVincenti, L., Jr., Schery, L. A.

    Refinement of social housing practices is paramount to improving animal welfare in laboratory environments, especially with regard to non-human primates. Even though social housing of the same species should be considered the optimal paradigm, cynomolgus ( Macaca fascicularis) and rhesus macaques...

  15. Positive reinforcement training moderates only high levels of abnormal behavior in singly housed rhesus macaques

    Contributor(s):: Baker, K. C., Bloomsmith, M., Neu, K., Griffis, C., Maloney, M., Oettinger, B., Schoof, V. A. M., Martinez, M.

    This study evaluated the application of positive reinforcement training (PRT) as an intervention for abnormal behaviors in singly housed laboratory rhesus macaques at 2 large primate facilities. Training involved basic control behaviors and body-part presentation. The study compared baseline...

  16. 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...

  17. 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...

  18. The effect of the captive environment on activity of captive cotton-top tamarins ( Saguinus oedipus )

    Contributor(s):: Burrell, A. M., Altman, J. D.

    This study examined captive cotton-top tamarin (Saguinus oedipus) behaviour across 3 different exhibits: (a) a rain forest (30.5 m in diameter), where tamarins free-ranged with other species; (b) a caged outdoor exhibit (5 m in diameter); and (c) a caged enclosure, with access indoors (6x9 m) and...

  19. Determining the value of social companionship to captive tufted capuchin monkeys ( Cebus apella )

    Contributor(s):: Dettmer, E., Fragaszy, D.

    The objective of the study is to assess the magnitude of the psychological need for social companionship in pair-housed tufted capuchin monkeys (Cebus apella) (six males and 1 female). The classification of commodities as necessities or luxuries are included. The study directly compared the...

  20. A two-choice preference assessment with five cotton-top tamarins ( Saguinus oedipus )

    Contributor(s):: Fernandez, E. J., Dorey, N. R., Rosales-Ruiz, J.

    A study selected 5 cotton-top tamarins (Saguinus oedipus) located at the Frank Buck Zoo in Gainesville, Texas, for a food preference assessment. The study used a paired-choice procedure across 7 different food items for all 5 tamarins. Preferences for the food items across all the tamarins...