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  1. The effects of environmental enrichment on the behaviour of cockatiels (Nymphicus hollandicus) in aviaries

    Contributor(s):: Stevens, April, Doneley, Robert, Cogny, Aurore, Phillips, Clive J. C.

    2021Applied Animal Behaviour Science2351051540168-159110.1016/j.applanim.2020.105154text

  2. Rearing substrate and space allowance influences locomotor play behaviour of dairy calves in an arena test

    Contributor(s):: Sutherland, Mhairi A., Worth, Gemma M., Schütz, Karin E., Stewart, Mairi

    The aim of this study was to investigate the effect of rearing substrate and space allowance in the home environment on the motivation of dairy calves to perform locomotor play in an arena test. At 1wk of age, 72 calves were moved into one of 18 experimental pens (n=4 calves/pen) where they...

  3. Effects of two substrate types on the behaviour, cleanliness and thermoregulation of dairy calves

    Contributor(s):: Sutherland, Mhairi A., Stewart, Mairi, Schütz, Karin E.

    The use of river stones as a substrate to rear calves on is a management practice that is becoming more common in parts of New Zealand where more traditional substrate types, such as sawdust, can be difficult and/or expensive to obtain. A study was conducted to compare the behaviour, cleanliness,...

  4. Program animal welfare: using behavioral and physiological measures to assess the well-being of animals used for education programs in zoos

    Contributor(s):: Baird, Bonnie A., Kuhar, Christopher W., Lukas, Kristen E., Amendolagine, Laura A., Fuller, Grace A., Nemet, James, Willis, Mark A., Schook, Mandi W.

    This study investigates program animal welfare using both behavioral and physiological measures in two separate experiments. In Experiment One, we examined possible differences in behavior and fecal glucocorticoid metabolites (FGM) between education, exhibit and off-exhibit armadillos ( N=59)...

  5. Cuttlefish in captivity: an investigation into housing and husbandry for improving welfare

    Contributor(s):: Tonkins, B. M., Tyers, A. M., Cooke, G. M.

    The European cuttlefish ( Sepia officinalis) is often kept in public aquaria, is becoming more common in aquaculture, and is also the most frequently used cephalopod in European research. Since 1st January 2013, all cephalopods ( Mollusca) have been protected under UK/EU law (A(SP)A 1986,...

  6. Dairy calves' preference for rearing substrate

    Contributor(s):: Worth, G. M., Schutz, K. E., Stewart, M., Cave, V. M., Foster, M., Sutherland, M. A.

    Traditional substrate types for dairy calves, such as sawdust, are becoming difficult and/or expensive for farmers to obtain in New Zealand. Therefore, there is a need to evaluate alternative rearing substrates that provide an acceptable level of animal welfare. The preference of dairy calves for...

  7. Dustbathing behavior: do ectoparasites matter?

    Contributor(s):: Vezzoli, G., Mullens, B. A., Mench, J. A.

    A presumed function of dustbathing behavior is to remove ectoparasites. Providing dustbathing substrates in furnished cages for laying hens might therefore offer an alternative to pesticide use to reduce ectoparasite populations. We investigated the effectiveness of dustbathing substrates for...

  8. Facilitating 'learning from mom how to eat like a pig' to improve welfare of piglets around weaning

    Contributor(s):: Oostindjer, M., Kemp, B., Brand, H. van den, Bolhuis, J. E.

    Piglets in commercial husbandry are weaned abruptly and at a rather young age. Many weanling piglets are poorly adapted to ingest solid food, often resulting in a period of underfeeding. The underfeeding generally leads to a poor growth, diarrhoea occurrence and the development of damaging...

  9. The effects of chronic exposure to common bedding materials on the metabolic rate and overall health of male CD-1 mice

    Contributor(s):: Becker, C. E., Mathur, C. F., Rehnberg, B. G.

    Anecdotes and personal Web pages claim that cedar and pine beddings cause respiratory distress in rodents, although no previous research could be found to support these claims. There have, however, been published studies of respiratory distress in cedar and pine mill workers. That research links...

  10. Influence of prior exposure to wood shavings on feather pecking, dustbathing and foraging in adult laying hens

    Contributor(s):: Nicol, C. J., Lindberg, A. C., Phillips, A. J., Pope, S. J., Wilkins, L. J., Green, L. E.

    It has been proposed that chicks acquire substrate preferences during an early 'sensitive' period. If a suitable substrate is absent during this period birds may develop alternative preferences for pecking at feathers. The aim of this study was to examine whether early substrate exposure has...

  11. Physiological and behavioural responses of cows from two beef breeds submitted to different suckling strategies

    Contributor(s):: Alvarez-Rodriguez, J., Sanz, A.

    This experiment was designed to study the effects of avoiding calf contact and genotype on the metabolic, behavioural and reproductive traits of beef cows during lactation. Fifty-two multiparous cows, 25 Parda de Montana (PA) and 27 Pirenaica (PI), fed at maintenance were assigned from the day...

  12. The demand for straw and feathers as litter substrates by laying hens

    Contributor(s):: Gunnarsson, S., Matthews, L. R., Foster, T. M., Temple, W.

    This study aimed to determine the importance of straw and feathers to laying hens by measuring demand functions for these items. Six hens that had been reared with access to grass and earth mixed with sand, but not given any intense and specific exposure to either straw or feathers previously,...

  13. Understanding feather eating behaviour in laying hens

    Contributor(s):: Harlander-Matauschek, A., Hausler, K.

    In the present study, high feather pecking (HFP) and low feather pecking (LFP) birds were used to investigate if the lines differ in their willingness to work for food or feathers in the presence of freely available identical substrates. Twenty HFP birds and 20 LFP birds were used for the present...

  14. Animal models and human depressive disorders

    Contributor(s):: R. J. Katz

    Clinical depressive disorders are complex in presentation, dissimilar in origins and course, and often pleomorphic in character. An adequate understanding of their origins, biological substrates, and amenability to established and novel forms of therapy demands biological and social interventions...

  15. A survey of elephant husbandry and foot health in North American zoos. (Special Issue: The care and welfare of elephants in AZA institutions.)

    Contributor(s):: Lewis, K. D., Shepherdson, D. J., Owens, T. M., Keele, M.

    The foot health of elephants in human care is a longstanding concern. In 2001, the AZA Standards for Elephant Management and Care were published recommending husbandry to improve foot health. This article reports the results of a 2006 survey: basic statistics describing facility, husbandry, and...

  16. Strength of preference for dustbathing and foraging substrates in laying hens

    Contributor(s):: Jong, I. C. de, Wolthuis-Fillerup, M., Reenen, C. G. van

    The present experiment investigated the substrate preferences of laying hens, with particular respect to dustbathing and foraging behaviour, in order to guide decisions concerning which resources should be provided in laying hen housing systems to best enable the expression of these behaviours....

  17. Behaviour and performance of pigs finished on deep bedding with wood shavings or rice husks in summer

    Contributor(s):: Hotzel, M. J., Lopes, E. J. C., Oliveira, P. A. V. de, Guidoni, A. L.

    Concern that excessive temperatures arising from substrate fermentation could have a deleterious effect on voluntary feed intake and weight gain, especially during the hottest times of the year, might be a barrier to the widespread adoption of deep-bedding systems for pig production in Brazil....

  18. Goldfish in a tank: the effect of substrate on foraging behaviour in aquarium fish

    Contributor(s):: Smith, A., Gray, H.

    The welfare of captive animals is influenced by their ability to express natural behaviours. Foraging is one behaviour that may be particularly important in this respect; many species will continue to work for food even when it is freely available. The role of substrate, and in particular...

  19. Operant animal welfare: productive approaches and persistent difficulties

    Contributor(s):: Patterson-Kane, E. G., Pittman, M., Pajor, E. A.

    Operant procedures occupy a prominent role within animal welfare science because they provide information about the strength of animals' preferences. It is assumed that strongly motivated choices commonly indicate conditions necessary for uncompromised welfare. A review of the literature shows...