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  1. Behavioral interactions and glucocorticoid production of Somali wild ass (Equus africanus somaliensis) mothers and foals

    Contributor(s):: Kozlowski, Corinne P., Baskir, Eli, Clawitter, Helen L., Franklin, Ashley D., Thier, Tim, Fischer, Martha, Powell, David M., Asa, Cheryl S.

  2. Ovariectomy Impairs Socio-Cognitive Functions in Dogs

    Full-text: Available

    | Contributor(s):: Anna Scandurra, Alessandra Alterisio, Anna Di Cosmo, Antonio D’Ambrosio, Biagio D’Aniello

    Recent studies have underlined the effect of ovariectomy on the spatial cognition of female dogs, with ovariectomized dogs showing a clear preference for an egocentric rather than an allocentric navigation strategy whereas intact females did not show preferences. Intact females had better...

  3. Parental Habituation to Human Disturbance Over Time Reduces Fear of Humans in Coyote Offspring

    Full-text: Available

    | Contributor(s):: Christopher J. Schell, Julie K. Young, Elizabeth V. Lonsdorf, Rachel M. Santymire, Jill M. Mateo

    A fundamental tenet of maternal effects assumes that maternal variance over time should have discordant consequences for offspring traits across litters. Yet, seldom are parents observed across multiple reproductive bouts, with few studies considerā€ ing anthropogenic disturbances as an...

  4. Effects of Short-Distance Recreational Mushing on Oxytocin, Gastrin, and Creatinine Kinase in Sled Dogs

    | Contributor(s):: Leggieri, Leonardo Ramón, Marozzi, Antonela, Panebianco, Antonella, Gregorio, Pablo, Carmanchahi, Pablo

    A considerable increase in creatinine kinase (CK) activity and gastrin hormone due to exercise has been observed in sled dogs during endurance mushing races; however, there have been no studies on sled dogs during recreational mushing. Although oxytocin hormone is involved in social behaviors and...

  5. Behavioral reactions relate to adrenal activity and temperament in male clouded leopards (Neofelis nebulosa)

    | Contributor(s):: DeCaluwe, Heather B., Wielebnowski, Nadja C., Howard, JoGayle, Pelican, Katharine M., Ottinger, Mary Ann

    Due to strong intra-specific aggression and frequent adverse reactions to changes encountered in the captive setting, clouded leopards (Neofelis nebulosa) are particularly difficult to manage as a self-sustaining population in zoos. The aim of this study was to examine the efficacy of behavioral...

  6. Behavior of feral horses in response to culling and GnRH immunocontraception

    | Contributor(s):: Ransom, Jason I., Powers, Jenny G., Garbe, Heidi M., Oehler, Michael W., Nett, Terry M., Baker, Dan L.

    Wildlife management actions can alter fundamental behaviors of individuals and groups, which may directly impact their life history parameters in unforeseen ways. This is especially true for highly social animals because changes in one individual's behavior can cascade throughout its social...

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

    | Contributor(s):: Ragu Varman, Durairaj, Marimuthu, Ganapathy, Emmanuvel Rajan, Koilmani

    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 booduga (n=42) captured at...

  8. The effects of gestagen implants on the behaviour of free-ranging female koalas

    | Contributor(s):: Hynes, Emily F., Handasyde, Kathrine A., Shaw, Geoff, Renfree, Marilyn B.

    Hormonal contraception is an increasingly important management tool for control of highly abundant populations of wildlife but may have both predictable and unpredictable effects on behaviour, with consequent implications for management and animal welfare. In a study of free-ranging koalas we...

  9. Behavioural and physiological responses of captive wombats (Lasiorhinus latifrons) to regular handling by humans

    | Contributor(s):: Hogan, Lindsay A., Johnston, Stephen D., Lisle, Allan T., Keeley, Tamara, Wong, Phoenix, Nicolson, Vere, Horsup, Alan B., Janssen, Tina, Phillips, Clive J. C.

    The response of animals to handling by humans has been extensively evaluated in domesticated livestock, but rarely examined in wildlife species. Twelve captive wombats (Lasiorhinus latifrons) were subjected to two treatments in a replicated design: (1) daily handling, involving 15min of tactile...

  10. Faecal cortisol metabolites as an indicator of adrenocortical activity in farmed silver foxes (Vulpes vulpes)

    | Contributor(s):: Hovland, Anne Lene, Rød, Anne Marit S., Eriksen, Marit Skog, Palme, Rupert, Nordgreen, Janicke, Mason, Georgia J.

    Measuring glucocorticoid metabolites in faeces has proven a useful, non-invasive method to monitor adrenocortical activity in several farm and wild species. Unlike plasma cortisol, whose sampling requires restraint and blood draws, faecal cortisol metabolites (FCM) may be particularly suitable...

  11. Effects of rearing conditions on behavioural responses, social kinetics and physiological parameters in gilthead sea bream Sparus aurata

    | Contributor(s):: Sánchez-Muros, María José, Sánchez, Belén, Barroso, Fernando G., Toniolo, Martín, Trenzado, Cristina E., Sanz Rus, Ana

    Knowing the best conditions to culture fish it is an important issue for aquaculture. Stocking density and routine handling are two factors with a great influence the outcome. This experiment examined the effects of different rearing conditions, corresponding to medium density (10kg/m3; MD), high...

  12. Associations between the dominance status and sexual development, skin lesions or feeding behaviour of intact male pigs

    | Contributor(s):: Parois, Severine, Larzul, Catherine, Prunier, Armelle

    In boars, social relationships could influence pubertal development and feeding behaviour. The objectives of the present study were to determine the relationships between behaviour (agonistic, mounting and feeding behaviours), plasma sex steroids (oestradiol, testosterone) and fat androstenone. A...

  13. A cafeteria diet alters the decision making strategy and metabolic markers in Sprague-Dawley male rats

    | Contributor(s):: Virtuoso, Alessandro, Forkman, Björn, Sarruf, David A., Tveden-Nyborg, Pernille, Sørensen, Dorte Bratbo

    Consumption of diets rich in refined sugar and saturated fat has been linked with development of mild cognitive impairment and dementia in humans. Most cognitive paradigms used in biomedical research to investigate the relationship between obesity and cognition rely on food motivation and speed...

  14. Thyroid and Lipid Status in Guide Dogs During Training: Effects of Dietary Protein and Fat Content

    Full-text: Available

    | Contributor(s):: Chiofalo, B., Fazio, E., Cucinotta, S., Cravana, C.

  15. Endogenous Oxytocin, Vasopressin, and Aggression in Domestic Dogs

    | Contributor(s):: MacLean, E. L., Martin, W. L., Gruen, M. E., Sherman, B. L., Gesquiere, L. R., Carter, C. S.

  16. The Healing Properties of Nature and Animals

    | Contributor(s):: Ravmeet Ruby Bains

    The following piece is intended to enlighten readers on alternative healing modalities as a substitute for traditional therapeutic interventions. The study reviews wide-ranging literature on ecotherapy and animal-assisted therapy. The objective is not to compare well-known therapies, such as...

  17. Psychobiological Factors Affecting Cortisol Variability in Human-Dog Dyads

    Full-text: Available

    | Contributor(s):: Schoberl, I., Wedl, M., Beetz, A., Kotrschal, K.

  18. BLAZE: Bettering the lives of animals in zoo environments

    | Contributor(s):: Logan Anbinder, Amelia Cordell, Gretchen Downey, Kelly Freudenberger, Shabaab Kamal, Thao Khuc, Joshua Lacey, Caitlin Moore, Emmarie Myers, Andrea Schmidt

    Captivity can induce high levels of stress in zoo animals, leading to health and behavioral problems that hamper conservation efforts, reduce the effectiveness of education, and negatively affect animal welfare. Zoos employ environmental enrichment to mitigate stress, but the effectiveness of...

  19. Impact of Androstenone on Leash Pulling and Jumping Up in Dogs

    | Contributor(s):: Glenna Pirner, John McGlone

    Dogs are relinquished to shelters due to behavioral problems, such as leash pulling and jumping up. Interomones are chemical cues produced by one species that elicit a response in a different species. We reported earlier that androstenone, a swine sex pheromone, acts as an interomone to reduce...

  20. Evaluation of the sexual behavior and testosterone concentrations of Mangalarga Marchador stallions

    | Contributor(s):: Rua, M. A. S., Quirino, C. R., Bastos, R., Bartholazzi Junior, A., Santoro, P. N., Ribeiro, M. da S., Matos, L. F., Barreto, M. A. P.

    Assessing the sexual behavior of stallions is extremely important because sexual behavior is linked to reproductive efficiency. The objective of this study was to evaluate the sexual behavior, testosterone concentration and libido of Mangalarga Marchador stallions from northern Rio de Janeiro...