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Tags: Glucocorticoids + Animal welfare

All Categories (1-20 of 53)

  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. 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...

  4. Brain measures which tell us about animal welfare

    Contributor(s):: Broom, D. M., Zanella, A. J.

    Studies of the brain inform us about the cognitive abilities of animals and hence, affect the extent to which animals of that species are respected. However, they can also tell us how an individual is likely to be perceiving, attending to, evaluating, coping with, enjoying, or disturbed by its...

  5. Can non-invasive glucocorticoid measures be used as reliable indicators of stress in animals?

    Contributor(s):: Lane, J.

  6. 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...

  7. 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,...

  8. Diurnal and individual variation in behaviour of restricted-fed broiler breeders

    Contributor(s):: Kostal, L., Savory, C. J., Hughes, B. O.

  9. Effect of Cage Type on Fecal Corticosterone Concentration in Buck Rabbits During the Reproductive Cycle

    Contributor(s):: Cornale, Paolo, Macchi, Elisabetta, Renna, Manuela, Prola, Liviana, Perona, Giovanni, Mimosi, Antonio

    Fecal corticosterone concentration (FCC) was measured in 14 buck rabbits individually housed in standard-dimension cages (SC) or in bigger cages (BC; with a volume more than double that of SC and equipped with a plastic foot mat) during 4 consecutive reproductive cycles. Cage type and...

  10. 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.

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

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

  12. 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...

  13. 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.

  14. 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...

  15. 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...

  16. 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...

  17. 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,...

  18. Effects of vitamin C supplementation on the adrenocortical and tonic immobility fear reactions of Japanese quail genetically selected for high corticosterone response to stress

    Contributor(s):: Satterlee, D. G., Jones, R. B., Ryder, F. H.

    Japanese quail chicks (18 days of age), from a line genetically selected for high plasma corticosterone response to brief immobilization stress, were treated for 24 h with either untreated drinking water or with a vitamin C (1200 mg/l of ascorbic acid: AA) solution. The chicks were subsequently...

  19. Environmental enrichment exerts anxiolytic effects in the Indian field mouse ( Mus booduga)

    Contributor(s):: Varman, D. R., Ganapathy, Marimuthu, Rajan, K. E.

  20. Environmental enrichment for maned wolves ( Chrysocyon brachyurus ): group and individual effects

    Contributor(s):: Vasconcellos, A. S., Guimaraes, M. A. B. V., Oliveira, C. A., Pizzutto, C. S., Ades, C.

    Procedures that increase foraging and exploratory behaviours are generally accepted as effective at improving welfare and reducing stereotypies in captive animals. To determine the effect of food and toy enrichment on the behaviour and hormonal levels of maned wolves (Chrysocyon brachyurus), 11...