The effect of triploidy on the performance, gut microbiome and behaviour of juvenile Atlantic salmon (Salmo salar) raised at low temperature
Contributor(s):: Benhaïm, David, Leblanc, Camille A. L., Horri, Khaled, Mannion, Krystal, Galloway, Michael, Leeper, Alexandra, Knobloch, Stephen, Sigurgeirsson, Ólafur, Thorarensen, Helgi
Triploid Atlantic salmon (Salmo salar) aquaculture has been extensively considered for many years, but its development has so far remained very limited. This is mostly due to poorer farming performances of triploid fish (3 N) in comparison with their diploid (2 N) counterparts, with temperature...
Use of conditioned place preference/avoidance tests to assess affective states in fish
Contributor(s):: Millot, Sandie, Cerqueira, Marco, Castanheira, Maria Filipa, Øverli, Øyvind, Martins, Catarina I. M., Oliveira, Rui F.
Animal welfare has been defined as the balance between positive and negative experiences or affective states. Despite the growing evidence of complex cognitive abilities and the expression of affective states such as pain and fear, very little is known about ability to experience memory based...
Genetic differences for behaviour in juveniles from two strains of brown trout suggest an effect of domestication history
Contributor(s):: Benhaïm, David, Guyomard, René, Chatain, Béatrice, Quillet, Edwige, Bégout, Marie-Laure
Because captivity constitutes a drastic environmental change, domestication is expected to induce a rapid genetic selection for behavioural traits. In this study, we searched for genetic differences in behaviour among brown trout juveniles from two strains differing for their domestication...
Aggressiveness and locomotion activity related to hatching time in Matrinxã, Brycon amazonicus (Spix and Agassiz, 1829)
Contributor(s):: de Souza, Ellen Cristina M., da Silva, Jaquelinne P., Villacorta-Correa, Marle Angélica, Carvalho, Thaís B.
Since agonistic interaction has been a major obstacle for fish hatchery and represents great economic losses for fish farmers, aggressiveness during the different post-hatching stages of the matrinxã, Brycon amazonicus, is analyzed and compared. Each group of three larvae was observed at six...
Effects of access to extra cage constructions including a swimming opportunity on the development of stereotypic behaviour in singly housed juvenile farmed mink (Neovison vison)
Contributor(s):: Ahola, Leena, Mononen, Jaakko, Mohaibes, Maarit
The aim of the study was to find out whether an access to extra cage constructions including either a 180l pool (SP group) or a pool-sized extra cage (0.61m2) (EC group) would slow down the development of stereotypic behaviour in singly housed farmed mink (Neovison vison). Mink housed in...
Effect of water depth on pool choice and bathing behaviour in commercial Pekin ducks
Contributor(s):: Liste, Guiomar, Kirkden, Richard D., Broom, Donald Maurice
Pekin ducks (Anas platyrhynchos domestica) are raised for meat, often in indoor intensive systems. Research into the welfare of intensively reared ducks makes clear the importance of access to bathing water. Most researchers agree that bathing behaviours such as preening are important; however,...
Early life behavioural differences in wild caught and domesticated sea bass (Dicentrarchus labrax)
Contributor(s):: Benhaïm, David, Péan, Samuel, Lucas, Gaël, Blanc, Nancy, Chatain, Béatrice, Bégout, Marie-Laure
Behavioural studies comparing hatchery and wild-caught fish are useful to improve selection for aquaculture and restocking programmes. We examined swimming behaviour characteristics in wild captured and domesticated sea bass juveniles before and after eliciting a startle response at 8 different...
Oxygen consumption and swimming performance in Arctic charr with different pigmentation patterns
Contributor(s):: Magnhagen, Carin, Backström, Tobias, Nilsson, Jan, Brännäs, Eva
Pigmentation in animals often reflects behavioural and physiological traits, such as health status, stress responsiveness, and dominance. Individual variation in stress response and behaviour has earlier been proposed to be connected to differences in metabolism. The aim of this study was to...
Healing dolphins? Cognitive and perceptual criticisms in Dolphin-Assisted Therapy
Contributor(s):: Cinzia Chiandetti
Since the '70s new therapeutic practices have been developed, involving the interaction between humans and dolphins - Tursiops truncatus in particular. Such practices are known as Dolphin-Assisted Therapies (DAT), a specific case of a more heterogeneous set of experiences with cetaceans...
Little penguins, Eudyptula minor, show increased avoidance, aggression and vigilance in response to zoo visitors
Contributor(s):: Sherwen, S. L., Magrath, M. J. L., Butler, K. L., Hemsworth, P. H.
Multiple studies have shown that human disturbance can have negative impacts on wild penguin populations. Penguins in zoos may also be susceptible to negative impacts from humans, but this has not previously been investigated. We examined the visitor effect on a group of 25 little penguins ,...
Pond use by captive African penguins ( Spheniscus demersus) in an immersive exhibit adjacent to human bathers
Contributor(s):: Ozella, L., Favaro, L., Carnovale, I., Pessani, D.
Nonhuman animals in zoos are exposed to a continuous human presence, which affects their behaviors and welfare. However, little is known about what role the "visitor effect" has on penguins in captivity. The African penguin ( Spheniscus demersus) is an endangered species commonly housed in zoos...
Pushed to the limit: food abundance determines tag-induced harm in penguins
Contributor(s):: Wilson, R. P., Sala, J. E., Gomez-Laich, A., Ciancio, J., Quintana, F.
The energetic costs of animal movement change with body condition, although the consequences of this for foraging efficiency are rarely considered. We deployed externally attached devices to Magellanic penguins ( Spheniscus magellanicus), known to increase the costs of swimming via increased drag...
Whale shark tourism in Ningaloo Marine Park, Australia
Contributor(s):: Davis, D.
Surveys conducted among whale shark tourists in Ningaloo Marine Park, off the coast of Western Australia, yielded 464 responses in 1995 and 376 in 1996. Multivariate analysis of variance (MANOVA) is used to compare attitudes towards management questions relating to human-to-shark separation...
The effect of dolphin-assisted therapy on the cognitive and social development of children with Down syndrome
Contributor(s):: Griffioen, R. E., Enders-Slegers, M. J.
Cognitive and speech development are delayed in children with Down syndrome (DS). We investigated the effect of dolphin-assisted therapy (DAT), a form of animal-assisted intervention, on the development of speech/language and social behavior in children with DS. We hypothesized that DAT would...
An empirical case study examining effectiveness of environmental enrichment in two captive Australian Sea Lions ( Neophoca cinerea )
Contributor(s):: Smith, B. P., Litchfield, C. A.
This case study examined the effect of environmental enrichment on the activity budgets of a male and female Australian Sea Lion (Neophoca cinerea) housed together at Adelaide Zoo. Using non-food-related (intrinsic) and food-related (extrinsic) enrichment objects, the study conducted an ABABA...
Physical activity in three regional communities in Queensland
Contributor(s):: Brown, W. J., Burton, N. W., Sahlqvist, S., Heesch, K. C., McCarthy, K. B., Ng, N., Uffelen, J. G. van
The effect of morphine on changes in behaviour and physiology in intraperitoneally vaccinated Atlantic salmon ( Salmo salar)
Contributor(s):: Nordgreen, J., Bjorge, M. H., Janczak, A. M., Poppe, T., Koppang, E. O., Ranheim, B., Horsberg, T. E.
Dolphin Assisted Therapy: can swimming with dolphins be a suitable treatment?
Contributor(s):: Williamson, C.
Assessing the effects of a chronic stressor, stocking density, on welfare indicators of juvenile African catfish, Clarias gariepinus Burchell
Contributor(s):: Nieuwegiessen, P. G. van de, Boerlage, A. S., Verreth, J. A. J., Schrama, J. W.
Fish welfare is an area of increasing interest and stocking densities used in commercial aquaculture have been highlighted as a subject of specific welfare concern. The present study assessed how stocking density affects growth performance (final body weight, SGR, FCR), physiological (plasma...
Behavioural analysis of a nociceptive event in fish: comparisons between three species demonstrate specific responses
Contributor(s):: Reilly, S. C., Quinn, J. P., Cossins, A. R., Sneddon, L. U.
Nociception is the sensory mechanism by which potentially harmful stimuli are detected in animals and humans. The behavioural responses to noxious stimulation have been studied in two fish species thus far. However, since species-specific differences are seen in mammals, more species need to be...