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  1. 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...

  2. 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...

  3. 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...

  4. 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...

  5. 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...

  6. 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.

  7. 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.

  8. 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...

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

    Full-text: Available

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

  10. 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...

  11. 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...

  12. 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...

  13. Hunger in pregnant sows: effects of a fibrous diet and free access to straw

    | Contributor(s):: Jensen, M. B., Pedersen, L. J., Theil, P. K., Knudsen, K. E. B.

    Fibrous diets and the provision of straw have been suggested to reduce feeding motivation in pregnant sows. The present experiment investigated the separate and interactive effects of a fibrous diet and ad libitum access to straw on feeding motivation, oral behaviour and plasma levels of...

  14. Post-occupancy Evaluation at the Zoo: Behavioral and Hormonal Indicators of Welfare in Orangutans (Pongo pygmaeus abelii)

    | Contributor(s):: Leigha Tingey

    An increased understanding of species-specific behavioral needs has lead zoos to focus on providing more naturalistic and stimulating environments. Scientific assessments of how changes in habitat affect animal behavior are necessary in improving overall animal welfare. This study examined the...

  15. Oxytocin responses after dog and cat interactions depend on pet ownership and may affect interpersonal trust

    | Contributor(s):: Curry, B. A., Donaldson, B., Vercoe, M., Filippo, M., Zaka, P. J.

    Although many of us interact daily with animals, we have lit t le understanding of how this affects our interactions with people. This study assessed the physiological effects of human-animal interactions and tested if this affected interpersonal trust. Participants (N=141) were assigned to play...

  16. Validating the use of qualitative behavioral assessment as a measure of the welfare of sheep during transport

    | Contributor(s):: Wickham, S. L., Collins, T., Barnes, A. L., Miller, D. W., Beatty, D. T., Stockman, C. A., Blache, D., Wemelsfelder, F., Fleming, P. A.

    We tested the application of qualitative behavioral assessment (QBA) as a welfare assessment tool. Sheep were exposed to road transport treatments, and behavioral expressions were compared between experimental treatments and validated by correlation with physiological measures. We compared...

  17. Evidence for a synchronization of hormonal states between humans and dogs during competition

    | Contributor(s):: Buttner, Alicia Phillips, Thompson, Breanna, Strasser, Rosemary, Santo, Jonathan

  18. Filial attachment in sheep: similarities and differences between ewe-lamb and human-lamb relationships

    | Contributor(s):: Nowak, R., Boivin, X.

    Animals develop relationships with intra- and interspecific partners, including humans. In some cases this can lead to strong emotional bonds indicating the existence of attachment. The sheep is well known to develop various forms of social attachment (mothers towards young, lambs towards...

  19. Young Blond d'Aquitaine, Angus and Limousin bulls differ in emotional reactivity: relationships with animal traits, stress reactions at slaughter and post-mortem muscle metabolism

    | Contributor(s):: Bourguet, C., Deiss, V., Boissy, A., Terlouw, E. M. C.

    The present study investigated relationships between reactivity during tests, stress reactions at slaughter and animal traits in young Blond d'Aquitaine (BA), Limousin (LI) and Angus (AN) bulls. Behavioural and physiological reactivity of animals was evaluated during rearing using a "Human test"...

  20. How animals respond to change

    | Contributor(s):: Mills, D., Dube, M. B., Zulch, H.

    Sections on underpinning principles relating to stress in companion animals, the effects of presistent stress, or "Why Stress can be so Stressful", other considerations for assessing welfare, and stress auditing.