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  1. Simply a nest? Effects of different enrichments on stereotypic and anxiety-related behaviour in mice

    Contributor(s):: Gross, Alexandra Nam-Mi, Engel, Anna Katarina Julia, Würbel, Hanno

    Improving the home cages of laboratory mice by environmental enrichment has been widely used to reduce cage stereotypies and anxiety-related behaviour in behavioural tests. However, enrichment studies differ substantially in type, complexity and variation of enrichments. Therefore, it is unclear...

  2. Preference for structured environment in zebrafish (Danio rerio) and checker barbs (Puntius oligolepis)

    Contributor(s):: Kistler, Claudia, Hegglin, Daniel, Würbel, Hanno, König, Barbara

    Information about the welfare and husbandry of pet and laboratory fish is scarce although millions of fish are sold in pet shops and used in laboratory research every year. Inadequate housing conditions can cause behavioural problems also in fish since they are complex animals with sophisticated...

  3. The potential of the human–animal relationship as an environmental enrichment for the welfare of zoo-housed animals

    Contributor(s):: Claxton, Anna M.

    Environmental enrichment strategies are used to improve both the physiological and psychological welfare of captive animals, which can be achieved by increasing the expression of natural behaviour and decreasing abnormal behaviours. Examples of successful environmental enrichment include the...

  4. Peat as environmental enrichment for piglets: The effect on behaviour, skin lesions and production results

    Contributor(s):: Vanheukelom, Valerie, Driessen, Bert, Maenhout, Daniël, Geers, Rony

    The aim of this study was to examine whether the provision of small amounts of peat to piglets would influence behaviour and production. At approximately 5 days of age, nine litters received a tray of peat as enrichment, while nine others did not. All piglets had access to solid feed, which was...

  5. Pain issues in poultry

    Contributor(s):: Gentle, Michael J.

    This review highlights the possible pain experienced by layer and broiler poultry in modern husbandry conditions. Receptors which respond to noxous stimulation (nociceptors) have been identified and physiologically characterised in many different part of the body of the chicken including the...

  6. A longitudinal study of the effects of providing straw at different stages of life on tail-biting and other behaviour in commercially housed pigs

    Contributor(s):: Statham, Poppy, Green, Laura, Mendl, Michael

    Tail-biting (TB) is a welfare concern. Recent studies indicate that early provision of straw may help prevent TB, however, many of these studies were carried out on small groups of pigs and may have limited applicability to commercial farms. The effect of providing straw at different stages of...

  7. Integration into the dairy cow herd: Long-term effects of mother contact during the first twelve weeks of life

    Contributor(s):: Wagner, Kathrin, Barth, Kerstin, Palme, Rupert, Futschik, Andreas, Waiblinger, Susanne

    The objective of this study is to investigate the long-term effects of mother rearing on the ability to cope with the challenge of integration into the cow herd shortly before first parturition. Four groups of heifers with different levels of contact with their mothers during the first twelve...

  8. Individual differences in stereotypic behaviour predict individual differences in the nature and degree of enrichment use in caged American mink

    Contributor(s):: Dallaire, Jamie A., Meagher, Rebecca K., Mason, Georgia J.

    Environmental enrichment (EE) reduces stereotypic behaviour (SB), but typically only partially. Using American mink (n=17) as models, we tested the hypotheses that the effectiveness of EE reflects the degree to which subjects utilise it, and also the SB's degree of ‘establishment’ (its frequency...

  9. Impact of social stress during gestation and environmental enrichment during lactation on the maternal behavior of sows

    Contributor(s):: Ringgenberg, Nadine, Bergeron, Renée, Meunier-Salaün, Marie-Christine, Devillers, Nicolas

    The impact of a social stress in gestation and an enriched pen in lactation on components of sow maternal behavior was studied in a 2×2 factorial experiment. At breeding, 41 sows were assigned to a social mixing stress treatment (T) during mid-gestation or a control group (C). During lactation,...

  10. Genetic and environmental effects on piglet survival and maternal behaviour of the farrowing sow

    Contributor(s):: Baxter, Emma M., Jarvis, Susan, Sherwood, Lorna, Farish, Marianne, Roehe, Rainer, Lawrence, Alistair B., Edwards, Sandra A.

    There is growing external pressure to abolish the farrowing crate, however alternative farrowing systems need to equal or surpass the performance (i.e. piglet survival) of more restrictive systems. In order to achieve consistent improvement in piglet survival genetic selection strategies...

  11. Environmental enrichment induces optimistic cognitive biases in pigs

    Contributor(s):: Douglas, Catherine, Bateson, Melissa, Walsh, Clare, Bédué, Anaïs, Edwards, Sandra A.

    The objective assessment of affective (emotional) state in farm livestock, especially positive states, poses a significant challenge. In human psychology, there is evidence that affective state can alter cognition, with more positive states being associated with an increased likelihood of judging...

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

    Contributor(s):: Ragu Varman, Durairaj, Marimuthu, Ganapathy, Emmanuvel Rajan, Koilmani

    Environmental enrichment (EE) is known to have behavioral and physiological anxiolytic effects in several animal models. However, it is as yet unclear how EE modulates behavior of wild animals and the underlying molecular mechanisms. The adult male field mouse Mus booduga (n=42) captured at...

  13. Effects of varying feed provision on behavioral patterns of farmed collared peccary (Mammalia, Tayassuidae)

    Contributor(s):: Nogueira, Selene S. C., Calazans, Stella G., Costa, Thaise S. O., Peregrino, Hélderes, Nogueira-Filho, Sérgio L. G.

    Feeding enrichment regime has been widely employed as an important tool to mimic foraging behavior and improve farm animals’ welfare. Some authors have argued that creating some level of uncertainty in the animals’ environment is beneficial. Therefore, we evaluated the effects of challenge...

  14. The effects of mixed-species assemblage on the behaviour and welfare of fish held in home aquaria

    Contributor(s):: Sloman, Katherine A., Baldwin, Louise, McMahon, Stanley, Snellgrove, Donna

    While there is growing scientific research into the welfare of fish held under aquaculture conditions, there has been little research into the welfare of ornamental fish kept in home aquaria. With the ever increasing popularity of home aquaria, there is now an urgent need to address our current...

  15. Effects of environmental factors on cribbing activity by horses

    Contributor(s):: Whisher, Lindsay, Raum, Mary, Pina, Lisa, Pérez, Lucia, Erb, Hollis, Houpt, Charles, Houpt, Katherine

    Quantitative measurements of cribbing were made and the environmental influences on the behavior were examined. Licking the substrate preceded cribbing; the horses licked a median of 1.7 times before each cribbing event while eating grain and 1.1 times before each cribbing event while eating hay....

  16. Effect of marginal environmental and social enrichment during rearing on pigs’ reactions to novelty, conspecifics and handling

    Contributor(s):: Tönepöhl, Björn, Appel, Anne K., Welp, Stephan, Voß, Barbara, König von Borstel, Uta, Gauly, Matthias

    The rearing environment of farmed animals can affect their behaviour when handled, and therefore needs to be taken into account when selecting for traits such as docility. Therefore, 126 German Landrace and Pietrain×German Landrace pigs were reared in two different production environments (barren...

  17. Comparing the relative benefits of grooming-contact and full-contact pairing for laboratory-housed adult female Macaca fascicularis

    Contributor(s):: Lee, Grace H., Thom, Jinhee P., Chu, Katherine L., Crockett, Carolyn M.

    Tactile social contact is the most effective form of environmental enrichment for promoting normal behavior in captive primates. For laboratory macaques housed indoors, pair housing is the most common method for socialization. Pairs can be housed either in full contact (FC), or in protected...

  18. Clustered environmental enrichments induce more aggression and stereotypic behaviour than do dispersed enrichments in female mice

    Contributor(s):: Akre, Anne Kathrine, Bakken, Morten, Hovland, Anne Lene, Palme, Rupert, Mason, Georgia

    Adding environmental enrichments to a previously resource-poor cage or enclosure can sometimes cause elevated aggression in socially housed animals, due to competition over the provided resources. Here, using female C57BL/6J mice, we investigated whether the way that environmental enrichments are...

  19. An evolutionary point of view of animal ethics

    Contributor(s):: Criscuolo, François, Sueur, Cédric

    The observation that animals may respond to the emotional states of conspecific or even heterospecific individuals is not new. After more than one century, the need to define what exactly non-human animals are able to feel and—from this starting point—rethink the legal status and place of animals...

  20. Current approaches to modeling the virtual reality in rodents for the assessment of brain plasticity and behavior

    Contributor(s):: Lopatina, O. L., Morgun, A. V., Gorina, Y. V., Salmin, V. V., Salmina, A. B.