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Tags: responses + Behavior and behavior mechanisms

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  1. A bibliometric analysis of past and emergent trends in animal welfare science

    Contributor(s):: Freire, R., Nicol, C. J.

  2. Hair cortisol concentrations, as a measure of chronic activity within the hypothalamic-pituitary-adrenal axis, is elevated in dogs farmed for meat, relative to pet dogs, in South Korea

    Contributor(s):: Maxwell, N. B., Buchanan, C. G., Evans, N. P.

  3. Effects of stocking rate on measures of efficacy and welfare during argon gas euthanasia of weaned pigs

    Contributor(s):: Fiedler, K. J., Parsons, R. L., Sadler, L. J., Millman, S. T.

  4. Evaluation of the efficacy of a non-penetrating captive bolt to euthanase neonatal goats up to 48 hours of age

    Contributor(s):: Sutherland, M. A., Watson, T. J., Johnson, C. B., Millman, S. T.

  5. Factors affecting the ability of sheep to rest during time in markets in Great Britain

    Contributor(s):: Lambton, S. I., Brouwer, A., Knowles, T. G., Richards, G., Statham, P. T. E., Walton, J., Weeks, C. A.

  6. The effect of age and method of gas delivery on carbon dioxide euthanasia of pigs

    Contributor(s):: Sutherland, M. A., Bryer, P. J., Backus, B. L.

  7. Food motivation in horses appears stable across different test situations

    Contributor(s):: Olczak, Katarzyna, Winther Christensen, Janne, Klocek, Czesław

    Food motivation may influence an animal's performance in food-rewarded learning tasks. Nevertheless, food is often used as a positive reinforcer in learning tasks to investigate cognitive abilities of farm animals, and to test effects of various treatments, such as environmental enrichment, on...

  8. Facing disasters together: how keeping animals safe benefits humans before, during and after natural disasters

    Contributor(s):: Thompson, K.

  9. Behavioural, endocrine and cardiac autonomic responses to a model of startle in horses

    Contributor(s):: Villas-Boas, Julia Dias, Dias, Daniel Penteado Martins, Trigo, Pablo Ignacio, Almeida, Norma Aparecida dos Santos, Almeida, Fernando Queiroz de, Medeiros, Magda Alves de

    Startle is a fast response elicited by sudden acoustic, tactile or visual stimuli in a variety of animal species and in humans. The magnitude of startle response can be modulated by external and internal variables and can be a useful tool to study the sensory-motor integration in animals....

  10. A close keeper-nonhuman animal distance does not reduce undesirable behavior in contact yard goats and sheep

    Contributor(s):: Anderson, U. S., Maple, T. L., Bloomsmith, M. A.

    This study investigated the relation between zookeeper-nonhuman animal distance and the undesirable behaviour that goats and sheep exhibited toward visitors of Zoo Atlanta's (Georgia, USA) contact yard. It hypothesized that a close distance between keeper and animal would be associated with a...

  11. Effect of enclosure quality on reactivity and welfare of captive Soemmerring's gazelle ( Gazella soemmerringii )

    Contributor(s):: Mansour, A. A. H., Zakaria, A. H., Fraser, A. F.

    The welfare of nonhuman animals in zoos is a great challenge to the zookeeper. Changes in the behavioral response of captive animals to their immediate environment can be used as a method for evaluating their welfare status. This study evaluates reactive responses of 3 groups of captive...

  12. Animal welfare: should we change housing to better accommodate the animal or change the animal to accommodate the housing?

    Contributor(s):: Cheng, Heng-Wei

    Animal welfare (well-being) can be generally defined as 'a state of harmony between the animal and its environment, characterized by optimal physical, behavioural and psychological functioning and high quality of the animal's life'. Since its inception in the early nineteenth century, through...

  13. A behaviour test on German Shepherd dogs: heritability of seven different traits

    Contributor(s):: Ruefenacht, S., Gebhardt-Henrich, S., Miyake, T., Gaillard, C.

    In this study, genetic and non-genetic effects on behavioural traits were estimated, based on records of the field behaviour test of the Swiss German Shepherd Dog breeding club. This standardized test has been applied since 1949 and comprised the following seven traits: self-confidence, nerve...

  14. Behavioural responses of piglets to castration: the effect of piglet age

    Contributor(s):: Taylor, A. A., Weary, D. M., Lessard, M., Braithwaite, L.

    It has long been assumed that neonatal animals are less sensitive than older animals to pain, and this reasoning has been used to recommend that routine surgical procedures be performed at an early age. In this study we tested if vocal and other behavioural responses to castration increase with...

  15. Equine utilization of secondary reinforcement during response extinction and acquisition

    Contributor(s):: McCall, C. A., Burgin, S. E.

    48 horses were used to examine equine utilization of a secondary (learned) reinforcement signal. Phases I and II of the study investigated whether the secondary reinforcer could prolong extinction of a learned task. Phase III utilized the secondary reinforcer to train the horse to perform a new...

  16. How do miniature pigs discriminate between people? Discrimination between people wearing coveralls of the same colour

    Contributor(s):: Koba, Y., Tanida, H.

    Seven experiments were conducted on 4 miniature pigs to determine: (1) whether the pigs can discriminate between people wearing the same coloured clothing and (2) what cues they rely on if they could discriminate. For 2 weeks before the experiments began, the pigs were conditioned in a Y-maze to...

  17. Neonatal foal handling

    Contributor(s):: Simpson, B. S.

    Recent interest has focused on the advantage of intensively handling young foals as a means of producing more tractable horses, accustomed to humans and receptive to training. To date, the effect of this intensive handling, dubbed imprint training in the popular literature, is not tested. The...

  18. Repeatability and reliability of an approach test to determine calves' responsiveness to humans: "a brief report"

    Contributor(s):: Lensink, B. J., Reenen, C. G. van, Engel, B., Rodenburg, T. B., Veissier, I.

    A test aiming to measure calves' responses to humans ("approach test") was conducted in two steps: during the first step (approach phase) the calves' reaction to the appearance of an unknown person (withdrawal or not) was observed during milk provision, during the second step (touch phase) the...

  19. A note on the relationship between the behavioural response of lactating sows to humans and the survival of their piglets

    Contributor(s):: Hemsworth, P. H., Pedersen, V., Cox, M., Cronin, G. M., Coleman, G. J.

    The objective of this study was to examine the relationships, based on unit averages, between the behavioural responses of lactating sows to humans and the performance of sows in 25 farrowing units at a large commercial farm. The behavioural responses of 25 sows in each farrowing unit were...

  20. Domestication - from behaviour to genes and back again

    Contributor(s):: Jensen, P.

    During domestication, animals have adapted with respect to behaviour and an array of other traits. This tends to give rise to a specific domestication phenotype, involving similar changes in colour, size, physiology and behaviour among different species. Hence, domestication offers a model for...