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Tags: Glucocorticoids + Mammals

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  1. A case study: fecal corticosteroid and behavior as indicators of welfare during relocation of an Asian elephant

    Contributor(s):: Laws, N., Ganswindt, A., Heistermann, M., Harris, M., Harris, S., Sherwin, C.

    This study was a preliminary investigation of an enzyme immunoassay for measuring fecal glucocorticoid metabolites in a male Asian elephant (Elephas maximus) by investigating changes in behavior and cortisol metabolite excretion associated with a putative stressful event. The study collected...

  2. Acute effects of cow-calf separation on heart rate, plasma cortisol and behaviour in multiparous dairy cows

    Contributor(s):: Hopster, H., O'Connell, J. M., Blokhuis, H. J.

    Removing the calf after bonding may induce acute stress in the dairy cow. The responses of 8 Holstein-Friesian cows were examined immediately after the removal of their calves on the third day after parturition. Blood samples were taken before and after the separation for cortisol analysis. After...

  3. An evaluation of the contribution of isolation, up-ending and wool removal to the stress response to shearing

    Contributor(s):: Hargreaves, A. L., Hutson, G. D.

    A 2x2x2 factorial experiment examined the effects of 3 components of shearing (isolation, up-ending and wool removal) on the development of a stress response to handling. 10 Merino wethers were allocated to each treatment. Haematocrit, plasma cortisol and plasma glucose were measured in a series...

  4. Behavioral and physiological correlates of stress in laboratory cats

    Contributor(s):: Carlstead, K., Brown, J. L., Strawn, W.

    Sixteen domestic cats were used to investigate the pituitary-adrenal, pituitary-gonadal and behavioural consequences of an unpredictable handling and husbandry routine. After a 10-day baseline period of standard laboratory procedures, 8 cats ('stressed cats', STR) were subjected to a 21-day...

  5. Behavioural and adrenocortical coping strategies and the effect on eosinophil leucocyte level and heterophil/lymphocyte-ratio in beech marten ( Martes foina )

    Contributor(s):: Hansen, S. W., Damgaard, B. M.

  6. Behavioural and hormonal responses to acute surgical stress in sheep

    Contributor(s):: Fell, L. R., Shutt, D. A.

    A combination of plasma cortisol and beta -endorphin measurement, behavioural observation and estimation of aversion to humans (by an arena test) was used to assess the response to the modified mules operation in 6- to 7-month-old Merino wethers. The operation involves the surgical removal of...

  7. Circadian rhythm of salivary cortisol in Asian elephants (Elephas maximus): a factor to consider during welfare assessment

    Contributor(s):: Menargues, A., Urios, V., Liminana, R., Mauri, M.

    Elevated glucocorticoid levels during an extended time period might be a stress indicator in nonhuman animals. Therefore, knowledge of the circadian pattern of cortisol secretion is very important to correctly interpret data obtained for welfare assessment of animals in captivity through salivary...

  8. Conservation and animal welfare issues arising from forestry practices. (Special Issue: Conservation and animal welfare.)

    Contributor(s):: Blumstein, D. T.

    Forestry practices may directly kill animals as well as destroy and fragment their habitat. Even without habitat destruction, logging and its associated forest management practices (which include road building, re-forestation, and often increased recreational use) create noise, frighten animals,...

  9. De-arousal properties of stereotyped behaviour: evidence from pituitary-adrenal correlates in pigs

    Contributor(s):: Dantzer, R., Mormede, P.

    Behavioural and pituitary--adrenal responses of food-deprived pigs, submitted to an intermittent food delivery schedule repeated over several weeks, were investigated. All animals reliably displayed stereotyped activites, in the form of repeated chain pulling, during the interval between food...

  10. Effect of differential rearing on the behavioral and adrenocortical response of lambs to a novel environment

    Contributor(s):: Moberg, G. P., Wood, V. A.

    When lambs (14 days old) were placed in an open space, those reared in isolation were more withdrawn (were slow to begin moving, vocalized infrequently and avoided new objects) than lambs reared with dams or with other lambs. The difference in response was less pronounced when all lambs were...

  11. Effect of group housing and oral corticosterone administration on weight gain and locomotor development in neonatal rats

    Contributor(s):: Young, L. A., Pavlovska-Teglia, G., Stodulski, G., Hau, J.

  12. Effect of housing and husbandry practices on adrenocortical activity in captive Canada lynx ( Lynx canadensis)

    Contributor(s):: Fanson, K. V., Wielebnowski, N. C.

  13. Effect of work experience and position in the plow harness on some physiological parameters of horses under field conditions

    Contributor(s):: Aguirre, V., Orihuela, A.

    Six pairs of horses were studied during 6 consecutive days. One horse in each pair had working experience. The position of the 2 animals in the plough harness was alternated each day. Some physical and physiological parameters were measured at different stages during each work day. A split-plot...

  14. Effects of chronic stress on some blood parameters in the pig

    Contributor(s):: Barnett, J. L., Hemsworth, P. H., Hand, A. M.

    Plasma samples from juvenile female pigs exhibiting a chronic stress response, evidenced by higher free corticosteroid concentrations, changes in behaviour and reduced growth rates, were analysed for plasma concentrations of total protein, albumin, glucose, urea and cholesterol. Chronic stress...

  15. Effects of enrichment and housing on cortisol response in juvenile rhesus monkeys

    Contributor(s):: Schapiro, S. J., Bloomsmith, M. A., Kessel, A. L., Shively, C. A.

  16. Effects of freeze or hot-iron branding of Angus calves on some physiological and behavioural indicators of stress

    Contributor(s):: Lay, D. C., Friend, T. H., Grissom, K. K., Bowers, C. L., Mal, M. E.

    Twenty-four Angus calves averaging 293 +or- 38 kg either hot-iron branded (H), freeze branded (F), or served as a sham (S). Calves were grouped for temperament, weight, and sex, and randomly assigned to day and order in which treatments were applied. To reduce stress from handling at treatment...

  17. Effects of Sheltering on Behavior and Fecal Corticosterone Level of Elderly Dogs

    Contributor(s):: Katsuji Uetake, Chu Han Yang, Aki Endo, Toshio Tanaka

    In Japan, the human population is aging rapidly, and the abandonment of dogs by the elderly people who have died or been hospitalized becomes a problem. It is hypothesized that elderly dogs have difficulty adapting to the novel circumstances when brought to an animal shelter. Therefore, the...

  18. Effects of social environment on welfare status and sexual behaviour of female pigs. I. Effects of group size

    Contributor(s):: Barnett, J. L., Hemsworth, P. H., Winfield, C. G., Hansen, C.

    The study examined the effects of housing 24 adult female pigs in groups of 2, 4 or 8 with a space allowance of 1.4msuperscript 2 per pig on welfare status, as indicated by plasma free-corticosteroid concentrations and behaviour patterns, and sexual behaviour. Housing gilts in pairs resulted in...

  19. Effects of social environment on welfare status and sexual behaviour of female pigs. II. Effects of space allowance

    Contributor(s):: Hemsworth, P. H., Barnett, J. L., Hansen, C., Winfield, C. G.

    This study examined the effects of housing groups of adult female pigs (6 pigs per group) with a space allowance of 1, 2 or 3 msuperscript 2 per pig on sexual behaviour and welfare status, determined by plasma free-corticosteroid concentrations. A lower percentage of gilts was detected in oestrus...

  20. Effects of visual contact with zoo visitors on black-capped capuchin welfare

    Contributor(s):: Sherwen, S. L., Harvey, T. J., Magrath, M. J. L., Butler, K. L., Fanson, K. V., Hemsworth, P. H.

    Previous research has suggested that the presence of zoo visitors may be stressful for various primate species, and visual contact with visitors may be the sensory stimuli that mediate visitor effects. We studied a group of black-capped capuchins, Cebus apella, in a controlled experiment,...