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  1. Nursing females are more prone to heat stress: Demography matters when managing flying-foxes for climate change

    Contributor(s):: Snoyman, Stephanie, Muhic, Jasmina, Brown, Culum

    Determining the underlying mechanisms responsible for species-specific responses to climate change is important from a species management perspective. The grey-headed flying-fox, Pteropus poliocephalus, is listed as vulnerable but it also a significant pest species for orchardists and thereby...

  2. Effect of increasing temperature on space requirements of group housed finishing pigs

    Contributor(s):: Spoolder, Hans A. M., Aarnink, André A. J., Vermeer, Herman M., van Riel, Johan, Edwards, Sandra A.

    For groups of pigs to cope adequately with their housing conditions they need sufficient static space (occupied by the body of the pig), activity space (for movement between different functional areas and behaviours relating to these) and interaction space (for appropriate social behaviour)....

  3. Lighting environment: What colour of light do male C57BL/6J prefer?

    Contributor(s):: Paronis, Efthymios, Kapogiannatou, Aspasia, Paschidis, Konstantinos, Stasinopoulou, Marianna, Alexakos, Pavlos, Skaliora, Irini, Kostomitsopoulos, Nikolaos G.

    Environmental factors applied in animal research facilities need to be regulated accurately not only for the welfare of laboratory animals but also for the reliability of the experimental results. However, the effect of lighting environment and its characteristics on animals has been poorly...

  4. Effect of light colour temperature and intensity on τhε behaviour of male C57CL/6J mice

    Contributor(s):: Kapogiannatou, Aspasia, Paronis, Efthymios, Paschidis, Konstantinos, Polissidis, Alexia, Kostomitsopoulos, Nikolaos G.

    Light is an important environmental factor affecting laboratory animals' well-being but still there is a range of light parameters in animal research facilities that need further study. Behavioural testing was conducted to study the impact of different conditions of light colour temperature and...

  5. Can changes in nasal temperature be used as an indicator of emotional state in cows?

    Contributor(s):: Proctor, Helen, Carder, Gemma

    Good animal welfare considers not only the physical and environmental aspects of an animal’s well-being, but also their emotional state. Finding measures of animal emotions is an important area of research, as there is a need for objective, reliable and non-invasive measures to assess how an...

  6. Environmental and Physiological Factors Associated With Stamina in Dogs Exercising in High Ambient Temperatures

    Contributor(s):: Patrick J. Robbins, Meghan T. Ramos, Brian M. Zanghi, Cynthia M. Otto

    This IACUC approved study was performed to evaluate the environmental, physiological, and hematological components that contribute to stamina following successive bouts of exercise that included searching (5-min), agility (5-min), and ball retrieve (<10-min). Regularly exercised dogs (N= 12)...

  7. Does body condition affect immediate post-capture survival of ungulates?

    Contributor(s):: Bender, Louis C.

  8. Genetic study of stress assessed with infrared thermography during dressage competitions in the Pura Raza Espanol horse

    Contributor(s):: Sánchez, María José, Bartolomé, Ester, Valera, Mercedes

    Despite the fact that physiological parameters in dressage are important because of their close connection to human-horse accidents, performance and welfare, these parameters are only rarely included in horse breeding programs. In Spain, the Pura Raza Espanol horse (PRE) Breeding Program focuses...

  9. On-farm evaluation of the Salmon Welfare Index Model (SWIM 1.0): theoretical and practical considerations

    Contributor(s):: Folkedal, O., Pettersen, J. M., Bracke, M., Stien, L. H., Nilsson, J., Martins, C., Breck, O., Midtlyng, P. J., Kristiansen, T.

    The present study investigated the operational feasibility of the recently developed Salmon Welfare Index Model (SWIM 1.0) designed for Atlantic salmon ( Salmo salar L) in production cages. Ten salmon farms containing spring smolts were visited twice, first between May and June the first year in...

  10. Effects of maternal vocalisations on the domestic chick stress response

    Contributor(s):: Edgar, J., Kelland, I., Held, S., Paul, E., Nicol, C.

    Although natural brooding is not commercially feasible, there is great potential to simulate aspects of maternal care to improve the welfare of farmed domestic chicks. Our previous studies showed that the presence of calm broody hens can buffer mild stress responses in chicks, although the...

  11. Temperature-dependent consumption of drinking water in piglet rearing

    Contributor(s):: Hoeck, J., Buscher, W.

    This study focussed on examining the temperature-specific consumption of drinking water by piglets. To this end, a drinking trough system was developed to offer the animals water at three different temperatures (warm (+10°C then barn temperature), barn temperature (actual barn temperature) and...

  12. Achieving optimum performance in a loose-housed farrowing system for sows: the effects of space and temperature

    Contributor(s):: Baxter, E. M., Adeleye, O. O., Jack, M. C., Farish, M., Ison, S. H., Edwards, S. A.

    Piglet survival relies on interactive influences of the sow, her piglets and their environment. There are a number of design challenges in a loose-housed farrowing and lactation system to optimise this dynamic, including achieving farrowing in the desired location (i.e. a protected nest area) and...

  13. Factors affecting penetrating captive bolt gun performance

    Contributor(s):: Gibson, T. J., Mason, C. W., Spence, J. Y., Barker, H., Gregory, N. G.

    Captive bolt stunning is used for rendering livestock insensible at slaughter. The mechanical factors relating to performance of 6 penetrating captive bolt gun (CBG) models were examined. The Matador Super Securit 3000 and the .25 Cash Euro Stunner had the highest kinetic energy values (443 J and...

  14. Early transfer of mated females into the maternity unit reduces stress and increases maternal care in farm mink

    Contributor(s):: Malmkvist, J., Palme, R.

    Mated mammals on farms are typically transferred to another housing environment prior to delivery. We investigated whether the timing of this transfer - EARLY (Day -36), INTERMEDIATE (Day -18), or LATE (Day -3) relative to the expected day of birth (Day 0) - affects maternal stress, maternal care...

  15. Drinking behaviour in sows kept outdoors during the winter months

    Contributor(s):: Andersen, H. M. L., Pedersen, L. J.

    In the light of the EU regulation, "pigs must have permanent access to a sufficient quantity of fresh water" and the practical problems it provides farmers during winter to keep water free of ice, the aim of this study was to investigate the influence of periods with frost on the diurnal pattern...

  16. Environmental complexity and use of space in slow growing free range chickens

    Contributor(s):: Rodriguez-Aurrekoetxea, A., Leone, E. H., Estevez, I.

    Production environments for meat poultry are generally bi-dimensional open areas where birds tend to cluster along the walls. We investigated the impact of increasing environmental complexity (EC) on slow-growing free-range chickens raised under commercial conditions. The study was conducted in...

  17. Killing of spent laying hens using CO 2 in poultry barns

    Contributor(s):: Berg, C., Yngvesson, J., Nimmermark, S., Sandstrom, V., Algers, B.

    In Sweden, laying hens are killed using the following methods: (i) traditional slaughter; (ii) on-farm with CO 2 in a mobile container combined with a grinder; or (iii) with CO 2 inside the barn. The number of hens killed using the latter method has increased. During these killings a veterinarian...

  18. There's a rat in my room! Now what? Mice show no chronic physiological response to the presence of rats

    Contributor(s):: Meijer, M. K., Loo, P. L. P. van, Baumans, V.

    In general, guidelines on housing and care of animals in the laboratory state that rats and mice should not be housed in the same room. Mice may perceive rats as predators. Although one theory says this can cause stress, there is little scientific evidence to support this theory. In the wild,...

  19. Using data collected for production or economic purposes to research production animal welfare: an epidemiological approach

    Contributor(s):: Dewey, C., Haley, C., Widowski, T., Friendship, R., Sunstrum, J., Richardson, K.

    Epidemiologists use the analyses of large data sets collected for production or economic purposes to research production nonhuman animal welfare issues in the commercial setting. This approach is particularly useful if the welfare issue is rare or hard to reproduce. However, to ensure the...

  20. Effect of gestation management system on gilt and piglet performance

    Contributor(s):: Muns, R., Manzanilla, E. G., Manteca, X., Gasa, J.

    Individual gestation housing of pregnant sows in stalls from four weeks after mating is banned in the EU. Two experiments were conducted to study the effect of two gestation management and housing systems (STALL: gilts housed in stalls and PEN: gilts loose-housed in pens with increased feed...