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Tags: Hormones + 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. 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.

  3. Travel-related problems in pets

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

    Sections on the nature and treatment of travel-related problems of pets, including cats.

  4. Physiological effects of human-animal positive interaction in dogs - review of the literature

    Contributor(s):: Pop, D., Rusu, A. S., Pop-Vancia, V., Papuc, I., Constantinescu, R., Miresan, V.

    Positive human-animal interactions (HAI) are known to increase the quality of life in both humans and dogs. Although there are several reviews on the benefits of HAI in humans, there are no reviews on the effects of positive HAI in dogs. Therefore, the aim of this paper is to provide a review of...

  5. Fecal concentrations of cortisol, testosterone, and progesterone in cotton-top tamarins housed in different zoological parks: relationships among physiological data, environmental conditions, and behavioral patterns

    Contributor(s):: Fontani, S., Vaglio, S., Beghelli, V., Mattioli, M., Bacci, S., Accorsi, P. A.

    The aim of this investigation was to study the welfare of 3 captive groups of cotton-top tamarins housed in different zoological parks. Ethological observations were conducted during 1 year. In addition, fecal samples were collected and the concentrations of glucocorticoids, androgens, and...

  6. Physiological responses in wild broodstocks of the Caspian Kutum (Rutilus frisii kutum) subjected to transportation stress

    Contributor(s):: Nikoo, M., Falahatkar, B.

  7. Effect of gestation management system on gilt and piglet performance

    Contributor(s):: Muns, R., Manzanilla, E. G., Manteca, X., Gasa, J.

    Individual gestation housing of pregnant sows in stalls from four weeks after mating is banned in the EU. Two experiments were conducted to study the effect of two gestation management and housing systems (STALL: gilts housed in stalls and PEN: gilts loose-housed in pens with increased feed...

  8. Hormonal stress response of laboratory mice to conventional and minimally invasive bleeding techniques

    Contributor(s):: Voigt, C. C., Klockner, P., Touma, C., Neuschl, C., Brockmann, G., Goritz, F., Palme, R., Thomsen, R.

  9. Immunocastration with Improvac TM reduces aggressive and sexual behaviours in male pigs

    Contributor(s):: Brewster, V., Nevel, A.

  10. Influence of environmental conditions and facility on faecal glucocorticoid concentrations in captive pygmy rabbits ( Brachylagus idahoensis)

    Contributor(s):: Scarlata, C. D., Elias, B. A., Godwin, J. R., Powell, R. A., Shepherdson, D., Shipley, L. A., Brown, J. L.

  11. Measuring faecal glucocorticoid metabolites as a non-invasive tool for monitoring adrenocortical activity in South American camelids

    Contributor(s):: Arias, N., Requena, M., Palme, R.

  12. Stress measures in tail biters and bitten pigs in a matched case-control study

    Contributor(s):: Munsterhjelm, C., Brunberg, E., Heinonen, M., Keeling, L., Valros, A.

  13. Immunohistochemistry of the canine vomeronasal organ

    Contributor(s):: Dennis, J. C., Allgier, J. G., Desouza, L. S., Eward, W. C., Morrison, E. E.

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

    Contributor(s):: Palme, R.

  15. The effect of group size and stocking density on the welfare and performance of hens housed in furnished cages during summer

    Contributor(s):: Guo, Y. Y., Song, Z. G., Jiao, H. C., Song, Q. Q., Lin, H.

  16. 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...

  17. Selection for contrasting adrenocortical responsiveness in Japanese quail ( Coturnix japonica ) influences sexual behaviour in males

    Contributor(s):: Marin, R. H., Satterlee, D. G.

    Selection of Japanese quail for a reduced (low stress, LS) rather than exaggerated (high stress, HS) adrenocortical response to brief restraint is associated with a non-specific reduction in stress responsiveness, decreased fearfulness, greater sociality, and enhanced male reproductive function,...

  18. Sociality in Japanese quail ( Coturnix japonica ) genetically selected for contrasting adrenocortical responsiveness

    Contributor(s):: Jones, R. B., Marin, R. H., Satterlee, D. G., Cadd, G. G.

    The growing realization that selective breeding may offer rapid solutions to certain animal welfare problems and the associated production losses lends urgency to the search for suitable selection criteria. We have already shown that genetic selection of Japanese quail for a reduced (low stress,...

  19. The effect of exposure to oestrous ewes on rams' sexual behaviour, plasma testosterone concentration and ability to stimulate ovulation in seasonally anoestrous ewes

    Contributor(s):: Rosa, H. J. D., Juniper, D. T., Bryant, M. J.

    272 ewes were introduced to (1) rams without recent experience of oestrous ewes, (2) rams recently exposed to oestrous ewes, (3) and (4) oestrous ewes and rams with or without recent experience with oestrous ewes, or (5) remained isolated from rams. Serum testosterone concentration of rams was...

  20. The effect of two different housing conditions on the welfare of young horses stabled for the first time

    Contributor(s):: Visser, E. K., Ellis, A. D., Reenen, C. G. van

    The effect of stabling for the first time on the behaviour and welfare of young and naive horses has not yet been studied in detail. In this study we examined the effect of two typical housing systems on their subsequent behavioural and physiological responses upon first time stabling. Thirty-six...