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All Categories (101-120 of 152)

  1. The efficacy of three types of analgesic drugs in reducing pain in the rainbow trout, Oncorhynchus mykiss

    Contributor(s):: Mettam, J. J., Oulton, L. J., McCrohan, C. R., Sneddon, L. U.

    Recent research has shown the possibility of pain perception in fish; therefore, the use of analgesia or "painkillers" should be considered for invasive procedures. However, there is relatively little information on the effectiveness of analgesic drugs nor on the appropriate dose for fish. This...

  2. The long and short of it: a review of tail docking in farm animals. (Special Issue: Pain in farm animals.)

    Contributor(s):: Sutherland, M. A., Tucker, C. B.

    Tail docking involves amputating a portion of the tail for a variety of reasons. We review the scientific evidence for the rationale for tail docking, a description of the different methods used, the pain response to the procedure and the effectiveness of pain alleviation, and, finally, the...

  3. Are the effects of enrichment due to the presence of multiple items or a particular item in the cages of laboratory rat?

    Contributor(s):: Abou-Ismail, U. A.

    Although the effects of environmental enrichment on laboratory rodents have been extensively described, it is not yet known whether these effects were simply due to the presence of multiple items in the cage or due solely to the presence of a particular item. This experiment was therefore carried...

  4. Fear assessment in pigs exposed to a novel object test

    Contributor(s):: Dalmau, A., Fabrega, E., Velarde, A.

    The experiment aimed to study approach and locomotive behaviour as indicators of fear in a novel object test carried out in pigs. Thirty post-weaning (30 kg) and 30 finishing (90 kg) pigs were exposed to visual, auditory and olfactory novel stimuli during 2 different experiments. The facilities...

  5. Indicators of age, body size and sex in goat kid calls revealed using the source-filter theory

    Contributor(s):: Briefer, E., McElligott, A. G.

    The source-filter theory is an important framework recently applied to the study of animal vocalisations, which links the mode of vocal production to call parameters. Vocalisations can be good indicators of a sender's characteristics, such as identity, body size, age, and even hormonal status and...

  6. A short note on effects of exposure to a novel stimulus (umbrella) on behaviour and percentage of eye-white in cows

    Contributor(s):: Sandem, A. I., Janczak, A. M., Braastad, B. O.

    The present experiment aimed at investigating the sensitivity of "eye-white percentage" as a dynamic indicator of fear in 16 dairy cows and describing the startle response provoked by sudden exposure to an unfamiliar suddenly opened umbrella. Sudden opening of the umbrella 0-2 m in front of cows...

  7. Effects of space allowance on the welfare of dry sows kept in dynamic groups and fed with an electronic sow feeder

    Contributor(s):: Remience, V., Wavreille, J., Canart, B., Meunier-Salaun, M. C., Prunier, A., Bartiaux-Thill, N., Nicks, B., Vandenheede, M.

    The minimal legal space allowance for grouped pregnant sows in the EU is 2.25 m2/sow. The effect of higher space per animal on agonistic behaviour and social stress of animals living in dynamic groups is not known. Two groups of 34 pregnant Belgian Landrace sows were housed in two pens of...

  8. 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...

  9. Heart rate variability and saliva cortisol assessment in shelter dog: human-animal interaction effects

    Contributor(s):: Bergamasco, L., Osella, M. C., Savarino, P., Larosa, G., Ozella, L., Manassero, M., Badino, P., Odore, R., Barbero, R., Re, G.

    The aim of this study is to investigate the effects of a human interaction program on shelter dogs and to determine the effect on canine heart rate variability, behaviour, and salivary cortisol levels. Twenty dogs were behaviourally (temperament tests) and clinically (full cardiologic...

  10. Relationships between behaviour and health in working horses, donkeys, and mules in developing countries

    Contributor(s):: Burn, C. C., Dennison, T. L., Whay, H. R.

    Recent studies raise serious welfare concerns regarding the estimated 93.6 million horses, donkeys and mules in developing countries. Most equids are used for work in poor communities, and are commonly afflicted with wounds, poor body condition, respiratory diseases, parasites, dental problems,...

  11. Comparison of the effect of human interaction, animal-assisted therapy, and AIBO-assisted therapy on long-term care residents with dementia

    Contributor(s):: Kramer, S. C., Friedmann, E., Bernstein, P. L.

    The number of elderly people in the United States is projected to more than double to 80 million by the year 2050, which will likely result in an increased incidence of dementia. Although AAT programs have been instituted as therapeutic activities for residents of long-term care facilities, there...

  12. Exploratory study of stress-buffering response patterns from interaction with a therapy dog

    Contributor(s):: Barker, S. B., Knisely, J. S., McCain, N. L., Schubert, C. M., Pandurangi, A. K.

    This exploratory study builds on existing research on the physiological stress response to human-animal interactions in a non-clinical sample of adult dog-owners interacting with their own or an unfamiliar therapy dog under similar conditions. Participants were therapy-dog owners (TDO group; n=5)...

  13. Exploring stock managers' perceptions of the human-animal relationship on dairy farms and an association with milk production

    Contributor(s):: Bertenshaw, C., Rowlinson, P.

    A human's attitude towards animals influences their behavior around animals, thus affecting the quality of the human-animal relationship (HAR). Many scientific studies have demonstrated that cattle's fear-response to humans affects their productivity, behavior, and welfare. In the scientific...

  14. A preliminary study of behaviour-based indicators of pain in cats

    Contributor(s):: Waran, N., Best, L., Williams, V., Salinsky, J., Dale, A., Clarke, N.

    The aim of this preliminary study was to identify key behavioural indicators of pain in cats. The behaviour of cats before and after ovariohysterectomy was analysed using a detailed behavioural ethogram. A comparison of behaviours between cats given pre-operative analgesia only and cats given...

  15. An assessment of laboratory mouse welfare in UK animal units

    Contributor(s):: Leach, M. C., Main, D. C. J.

    The welfare of conventional stock laboratory mice has been assessed in 46 UK animal units using an expert-defined welfare assessment protocol containing 119 measures of mouse welfare. These were recorded using a questionnaire and observations made during a one-day visit to each unit. The standard...

  16. Animal-based parameters are no panacea for on-farm monitoring of animal welfare

    Contributor(s):: Bracke, M. B. M.

    On-farm monitoring of animal welfare is an important, present-day objective in animal welfare science. Scientists tend to focus exclusively on animal-based parameters, possibly because using environment-based parameters could be begging the question why welfare has been affected and because...

  17. Assessing animal welfare in a strictly synchronous production system: the mink case

    Contributor(s):: Moller, S. H., Hansen, S. W., Sorensen, J. T.

    Most on-farm welfare assessment systems have been developed for use in dairy and pig farms. These production systems are non-synchronous, in the sense that the same processes occur continuously throughout the year. Animal welfare during most or all phases of production may therefore be assessed...

  18. Assessing quality of life in companion and kennelled dogs: a critical review

    Contributor(s):: Hewson, C. J., Hiby, E. F., Bradshaw, J. W. S.

    Two distinct approaches have emerged for the assessment of quality of life (QoL) and welfare in domestic dogs. One approach, which has so far been applied only to companion dogs, is derived from proxy assessment of QoL in human beings, with the owner or veterinarian acting as the proxy. Because...

  19. Behaviour of golden hamsters ( Mesocricetus auratus ) kept in four different cage sizes

    Contributor(s):: Fischer, K., Gebhardt-Henrich, S. G., Steiger, A.

    Cages for laboratory and pet hamsters are usually small. Using video recordings, the behaviour of sixty female golden hamsters (Mesocricetus auratus), housed individually in four different cage sizes, was compared in order to draw conclusions about their welfare. The cage sizes were 1,800 cm2,...

  20. Can sleep behaviour be used as an indicator of stress in group-housed rats ( Rattus norvegicus )?

    Contributor(s):: Abou-Ismail, U. A., Burman, O. H. P., Nicol, C. J., Mendl, M.

    We assessed the value of sleep behaviour as a novel measure of stress in group-housed animals. We observed, non-invasively, sleep behaviour in 144 group-housed rats, and related it to other physiological and physical indicators of stress and welfare. Sleep frequency and duration correlated...