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  1. A preliminary study of the effects of individual response to challenge tests and stress induced by humans on learning performance of weaned piglets (Sus scrofa)

    Contributor(s):: Brajon, S., Laforest, J. P., Schmitt, O., Devillers, N.

    This study investigated whether individual behavioural characteristics of piglets and stress induced by experience with humans can influence learning performance. After weaning, piglets received a chronic experience with humans to modulate their emotional state: rough (ROU), gentle (GEN), or...

  2. Is consensus-seeking unique to humans? A selective review of animal group decision-making and its implications for (human) social psychology

    Contributor(s):: Kameda, Tatsuya, Wisdom, Thomas, Toyokawa, Wataru, Inukai, Keigo

  3. Introducing the new dog or cat into the home

    Contributor(s):: Mills, D., Dube, M. B., Zulch, H.

    Sections on potential stressors in the initial settling-in period, dos and don'ts for first encounters with a new pet, and problem prevention through education.

  4. A comparison of pet and purpose-bred research dog ( Canis familiaris) performance on human-guided object-choice tasks

    Contributor(s):: Lazarowski, L., Dorman, D. C.

    Several studies have shown that domestic dogs respond to human social cues such as pointing. Some experiments have shown that pet dogs outperformed wolves in following a momentary distal point. These findings have lent support to the hypothesis that domestication is responsible for domestic dogs'...

  5. Is that fear? Domestic dogs' use of social referencing signals from an unfamiliar person

    Contributor(s):: Yong, MinHooi, Ruffman, T.

    The aim of this study was to investigate whether dogs could successfully interpret a 'social referencing' cue (either happiness or fear) toward an object after viewing a human emotional expression. Fearful expressions are more likely to be unfamiliar to dogs, and thus they may not understand the...

  6. Ethische Aspekte der physischen und der psychischen Belastung des Pferdes durch dessen reiterliche Nutzung

    Contributor(s):: Meyer, H.

  7. 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...

  8. 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...

  9. 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...

  10. 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...

  11. 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...

  12. 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...

  13. 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...

  14. 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...

  15. 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...

  16. 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...

  17. 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...

  18. Fairness and other-regarding preferences in nonhuman primates

    Contributor(s):: Brosnan, Sarah F.

  19. A note on the consistency and specificity of lambs' responses to a stockperson and to their photograph in an arena test

    Contributor(s):: Tallet, C., Veissier, I., Boivin, X.

    Understanding how farm animals perceive their stockperson is a major challenge, especially for artificially reared animals which are known to show strong attraction to humans. Replacing the stockperson by its photograph in an arena test could be a useful method for standardising human stimuli....

  20. Behavioural and physiological responses of pigs to sound

    Contributor(s):: Talling, J. C., Waran, N. K., Wathes, C. M., Lines, J. A.

    Eight piglets were exposed to artificially generated sounds, nominal intensities of 85 or 97 dB(Lin), and frequencies of 500 or 8000 Hz for 15 min during a 1-h experimental period. In a 2nd experiment, 8 piglets were exposed to 20 min of farm sounds (Leq 80 dB), transport sounds (Leq 83 dB),...