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Tags: Metabolism + Animal behavior

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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. Sniffer dogs as part of a bimodal bionic research approach to develop a lung cancer screening

    Contributor(s):: Boedeker, E., Friedel, G., Walles, T.

  3. Nutritional and behavioral effects of gorge and fast feeding in captive lions

    Contributor(s):: Altman, J. D., Gross, K. L., Lowry, S. R.

    Nonhuman animals in captivity manifest behaviors and physiological conditions that are not common in the wild. Lions in captivity face problems of obesity, inactivity, and stereotypy. To mediate common problems of captive lions, this study implemented a gorge and fast feeding schedule that better...

  4. 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...

  5. Effects of chronic intake of starch-, glucose- and fructose-containing diets on eating behaviour in adult minipigs

    Contributor(s):: Ochoa, M., Malbert, C. H., Lalles, J. P., Bobillier, E., Val-Laillet, D.

    Introduction: The aim of this study was to assess whether chronic intake of isocaloric high-fat diets differing partly in the source of carbohydrates (starch, glucose or fructose) and fed at the same level of intake impacts eating behaviour in the adult Yucatan minipig. Methods: Adult minipigs...

  6. 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...

  7. Number of nearby visitors and noise level affect vigilance in captive koalas

    Contributor(s):: Larsen, M. J., Sherwen, S. L., Rault, J. L.

    Understanding human-animal interactions is particularly important for institutions that display animals to the public due to the frequent, and sometimes intense, interactions with unfamiliar humans. Past research has shown that visitors can have a negative impact on the welfare of a wide range of...

  8. Activity patterns in reindeer with domestic vs. wild ancestry

    Contributor(s):: Reimers, E., Tsegaye, D., Colman, J. E., Eftestol, S.

    We analyzed GPS-based activity patterns for two wild reindeer ( Rangifer tarandus tarandus) herds: Norefjell-Reinsjofjell with domestic ancestry and larger average body size and Rondane with wild ancestry and smaller body sizes. We compared activity patterns and tested whether these could...

  9. 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...

  10. 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...

  11. 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...

  12. A brief note on the relationship between residual feed intake and aggression behaviour in juveniles of African catfish Clarias gariepinus

    Contributor(s):: Martins, C. I. M., Hillen, B., Schrama, J. W., Verreth, J. A. J.

    Individual differences in maintenance levels have been related with energetically expensive processes such as aggression. This relationship is not fully understood as on one hand individuals with higher maintenance requirements seem to be more aggressive but on the other hand have smaller...

  13. Sequence of food presentation influences intake of foods containing tannins and terpenes

    Contributor(s):: Mote, T. E., Villalba, J. J., Provenza, F. D.

    Interactions among nutrients and secondary compounds in plants can influence the kinds and amounts of different forages herbivores ingest, but little is known about how the sequence of plant ingestion may influence these interactions. The physiological pathways and rates of nutrient and secondary...

  14. 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...

  15. Effects of different degrees of social isolation on the behaviour of weaned piglets kept for experimental purposes

    Contributor(s):: Herskin, M. S., Jensen, K. H.

    The effect of degree of isolation on the behaviour of weaned piglets was investigated using eight replicates of littermates, weaned at 4 weeks and caged for 2 weeks in metabolism chambers under varying degrees of isolation: fully isolated without physical contact with littermates; partly isolated...