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  1. Lack of evidence for stress being caused to pigs by witnessing the slaughter of conspecifics

    Contributor(s):: Anil, M. H., McKinstry, J. L., Field, M., Rodway, R. G.

    15 catheterized pigs (Duroc x Large White) of mixed sex of between 35 and 65 kg body weight were allowed to see the stunning and sticking (exsanguination) of pigs in a nearby pen. Each witness pig was placed in a hammock giving it a full view of another pen in which 2 other pigs were put. One of...

  2. The welfare impact of gavaging laboratory rats

    Contributor(s):: Bonnichsen, M., Dragsted, N., Hansen, A. K.

    Gavaging (oral dosing) has previously been shown to have only a short-term effect on behavioural parameters in the laboratory rat. The aim of this study was to determine if the gavaging of laboratory rats influenced their heart rate, blood pressure and body temperature, and if so, whether the...

  3. Evaluating possible indicators of insensibility and death in cetacea

    Contributor(s):: Butterworth, A., Sadler, L., Knowles, T. G., Kestin, S. C.

    The International Whaling Commission (IWC) currently uses imprecise indicators of death to evaluate the welfare consequences of whaling. A recent independent meeting of animal welfare scientists proposed a series of tests to determine the states of sensibility/insensibility/death of whales. As a...

  4. Influence of olfactory substances on the heart rate and lying behaviour of pigs during transport simulation

    Contributor(s):: Driessen, B., Peeters, E., Geers, R.

    This study investigated the effect of olfactory substances on the heart rate and lying behaviour of pigs during transport simulation. Five treatments were tested through the application of each substance to pigs' snouts with a paintbrush. These consisted of: (1) control treatment (wiping without...

  5. Effect of human contact on heart rate of pigs

    Contributor(s):: Geers, R., Janssens, G., Ville, H., Bleus, E., Gerard, H., Janssens, S., Jourquin, J.

    Pigs were selected at random from 3 lines (homozygous halothane positive, homozygous negative and the heterozygotes). They were housed for 4 weeks within standardized environmental conditions with 6 pigs per pen corresponding to each of the 3 lines with 2 treatment combinations (6x3x2). Half of...

  6. A non-invasive system for remotely monitoring heart rate in free-ranging ungulates

    Contributor(s):: Gedir, J. V.

    A new, external non-invasive telemetric heart rate (HR) monitoring system was evaluated on 8 wapiti (Cervus elaphus canadensis), yearlings in July and August 1996. The assembly consisted of a leather girth strap, onto which a HR transmitter and a customized carriage bolt electrode system were...

  7. The effect of transport on core and peripheral body temperatures and heart rate of sheep

    Contributor(s):: Ingram, J. R., Cook, C. J., Harris, P. J.

    The effect of transport on core and peripheral body temperatures and heart rate was assessed in ten 18-month-old Coopworth ewes (Ovis aries). Manual recordings of core (rectal) temperatures were obtained and automated logging of peripheral (external auditory canal and pinna) temperatures and...

  8. A pilot study to assess whether high expansion CO2;-enriched foam is acceptable for on-farm emergency killing of poultry

    Contributor(s):: Gerritzen, M. A., Sparrey, J.

    This pilot experiment was conducted to ascertain whether CO2-enriched high expansion foam could be an acceptable and efficient alternative in emergency killing of poultry. This method could have wide-ranging applications but with particular emphasis on small (backyard) flocks, free-range sheds or...

  9. Telemetry as a method for measuring the impact of housing conditions on rats' welfare

    Contributor(s):: Krohn, T. C., Hansen, A. K., Dragsted, N.

    Various tools have been developed over previous years to study the welfare of laboratory animals. These include preference tests, which are commonly used to evaluate housing environments. Preference tests, however, have some pitfalls. They supply information only on the animals' present...

  10. The effect of blindfolding horses on heart rate and behaviour during handling and loading onto transport vehicles

    Contributor(s):: Parker, R., Watson, R., Wells, E., Brown, S. N., Nicol, C. J., Knowles, T. G.

    Blindfolding is routinely used to aid the handling and loading of horses that are difficult to control. Fifteen relatively well-behaved horses of varying ages and disciplines were used to investigate the effects of blinkering and blindfolding on behaviour and heart rate in three situations:...

  11. Transcranial magnetic stunning of broilers: a preliminary trial to induce unconsciousness

    Contributor(s):: Lambooij, E., Anil, H., Butler, S. R., Reimert, H., Workel, L., Hindle, V.

    This study was performed to identify whether non-focal transcranial magnetic stimulation (TMS) with an adapted coil for broilers has the potential for use as a non-invasive stunning method for broilers. Application of the TMS probe resulted in dominance of theta and delta waves and appearance of...

  12. Head-only electrical stunning and bleeding of African catfish ( Clarias gariepinus ): assessment of loss of consciousness

    Contributor(s):: Lambooij, E., Kloosterboer, R. J., Gerritzen, M. A., Vis, J. W. van de

    The objective was to evaluate the welfare implications of electrical stunning prior to gill-cutting of farmed African catfish as an alternative to live chilling in combination with gutting. Electroencephalogram (EEG) and electrocardiogram (ECG) recordings, in combination with observation of...

  13. The effect of routine experimental procedures on physiological parameters in mice kept under different husbandry conditions

    Contributor(s):: Meijer, M. K., Kramer, K., Remie, R., Spruijt, B. M., Zutphen, L. F. M. van, Baumans, V.

    Laboratory animals are frequently subjected to routine procedures, such as injections or the withdrawal of blood samples. Acute stress caused by such procedures is associated with physiological changes that can have a strong impact on experimental results. This study investigated the integrated...

  14. Transport stress in roe deer ( Capreolus capreolus ): effect of a short-acting antipsychotic

    Contributor(s):: Montane, J., Marco, I., Lopez-Olvera, J., Manteca, X., Lavin, S.

    The aim of this study was to evaluate the effect of a short-acting antipsychotic (acepromazine) on the stress response to transport in roe deer (C. capreolus). 21 roe deer in France were submitted to a 9-h road journey in order to reintroduce and restock this species into Catalonia (northeastern...

  15. Heart rate and stress hormone responses of sheep to road transport following two different loading procedures

    Contributor(s):: Parrott, R. F., Hall, S. J. G., Lloyd, D. M.

    The physiological responses induced in 18 sheep by 2 different loading techniques followed by a short road journey were investigated. All animals were prepared with venous catheters, to minimize the disturbing effects of blood sampling, and 9 sheep were fitted with heart rate monitors. The...

  16. Effect of driver and driving style on the stress responses of pigs during a short journey by trailer

    Contributor(s):: Peeters, E., Deprez, K., Beckers, F., Baerdemaeker, J. D., Aubert, A. E., Geers, R.

    The aim of this study was to investigate the combined effect of driver and driving style on the behaviour, salivary cortisol concentration, and heart-rate variability of pigs during a short journey. In addition, the effect of differing accelerations (longitudinal, lateral, and vertical) of the...

  17. Effects of lighting on heart rate and positional preferences during confinement in farmed red deer

    Contributor(s):: Pollard, J. C., Littlejohn, R. P.

    In the first of 2 experiments heart rate was measured in 24 individual deer, restrained in a mechanical deer crush for 2 min, under either dark (0 lux) or light (1500 lux) conditions. A stethoscope was used to monitor heartbeat. In experiment 2, 10 groups of 3 deer were confined for 4 min in an...

  18. Infrared thermography as a non-invasive tool to study animal welfare

    Contributor(s):: Stewart, M., Webster, J. R., Schaefer, A. L., Cook, N. J., Scott, S. L.

    Growing public concern regarding animal welfare and consumer demand for humanely produced products have placed pressure on the meat, wool and dairy industries to improve and confirm the welfare status of their animals. This has increased the need for reliable methods of assessing animal welfare...

  19. Animals' emotions: studies in sheep using appraisal theories

    Contributor(s):: Veissier, I., Boissy, A., Desire, L., Greiveldinger, L.

    Animal welfare concerns stem from recognition of the fact that animals can experience emotions such as pain or joy. Nevertheless, discussion of animal emotions is often considered anthropomorphic, and there is a clear need to use explanatory frameworks to understand animals' emotions. We borrowed...

  20. The effect of transport on cortisol, glucose, heart rate, leukocytes and body weight in captive-reared guanacos ( Lama guanicoe )

    Contributor(s):: Zapata, B., Gimpel, J., Bonacic, C., Gonzalez, B. A., Riveros, J. L., Ramirez, A. M., Bas, F., Macdonald, D. W.

    Current procedures for ranching and sustainable use of guanacos necessitate their transport. Transportation is a risky process for animals, and is a particular concern for wild-caught or semi-domesticated species such as the guanaco - a wild South American camelid species increasingly being...