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Tags: Metabolism + Animal physiology

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  1. 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"...

  2. Development and validation of a behavioral acclimation protocol for cats to respiration chambers used for indirect calorimetry studies

    Contributor(s):: Gooding, M. A., Duncan, I. J. H., Atkinson, J. L., Shoveller, A. K.

    Cats exposed to novel environments initiate stress responses by behavioral and physiological changes that modify metabolism and lead to the collection of unreliable data. Fourteen cats (10+or-2 months) were subjected to an 11-week acclimation procedure to adapt to restriction within chambers used...

  3. Linking risk taking and the behavioral and metabolic responses to confinement stress in gilthead seabream Sparus aurata

    Contributor(s):: Herrera, M., Castanheira, M. F., Conceicao, L. E. C., Martins, C. I.

    Risk taking and avoidance responses during confinement have been identified in a variety of species, including fish. In addition, differences in metabolic rate have also been attributed to divergent personalities, coping styles or behavioral types. In this study we disclose for the first time a...

  4. Monitoring stress hormone metabolites as a useful, non-invasive tool for welfare assessment in farm animals

    Contributor(s):: Palme, R.

  5. Stress at slaughter in cattle: role of reactivity profile and environmental factors

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

  6. The effects of individual housing on mice and rats: a review

    Contributor(s):: Krohn, T. C., Sorensen, D. B., Ottesen, J. L., Hansen, A. K.

  7. Individual differences in metabolism predict coping styles in fish

    Contributor(s):: Martins, C. I. M., Castanheira, M. F., Engrola, S., Costas, B., Conceicao, L. E. C.

    Studies on metabolism usually rely on measurements of oxygen consumption obtained in respirometry chambers. Despite rigorous standardization there is still considerable inter-individual variation in metabolic rates which is often ignored. Furthermore, housing in respirometry chambers implies...

  8. Oxytocin facilitates behavioural, metabolic and physiological adaptations during lactation. (Special issue: Suckling)

    Contributor(s):: Uvnas-Moberg, K., Johansson, B., Lupoli, B., Svennersten-Sjaunja, K.

    This article aims to propose that oxytocin not only stimulates milk letdown, but also adapts behaviour and physiology to facilitate lactation in mammals, including dairy cattle. Circulating oxytocin as well as neurogenic oxytocin participates in these regulatory processes. In short, oxytocin...

  9. Can emotional reactivity predict stress responses at slaughter in sheep?

    Contributor(s):: Deiss, V., Temple, D., Ligout, S., Racine, C., Bouix, J., Terlouw, C., Boissy, A.

    The slaughter period is very complex and may represent different types of stress for the animal. The way and extent animals react to these stress factors depend on their individual emotional reactivity. The objective of the present study was to determine in sheep relationships between reactivity...

  10. Acid-base responses of fat-adapted horses: relevance to hard work in the heat

    Contributor(s):: Kronfeld, D. S., Custalow, S. E., Ferrante, P. L., Taylor, L. E., Wilson, J. A., Tiegs, W.

    Feeding and training may affect acid-base responses to strenuous exercise. Acidosis usually correlates with higher blood lactate concentrations during intense exercise, but alkalosis has been found in horses, and higher lactate responses during sprints have been found in fat adapted horses. A...

  11. Characterising the emotional reactivity of cows to understand and predict their stress reactions to the slaughter procedure

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

    The present study on 32 Normand cows evaluated whether it is possible to identify, during rearing, individuals likely to be relatively reactive to the slaughter procedure. It evaluated further which factors may contribute to stress during the pre-slaughter period. Behavioural and physiological...

  12. Is sodium fluoroacetate (1080) a humane poison? The influence of mode of action, physiological effects, and target specificity

    Contributor(s):: Twigg, L. E., Parker, R. W.

    1080 (sodium fluoroacetate)-baiting programmes are an important and often the only option for reducing the impact of invasive vertebrate pests on biodiversity and agricultural production in Australia and New Zealand. These programmes are generally recognised as being target specific, and...