Search Results - "Keeling, L J"

Behaviour of domestic fowl in anticipation of positive and negative stimuli by Zimmerman, P.H., Buijs, S.A.F., Bolhuis, J.E., Keeling, L.J.

“…Underlying the study of animal welfare is the assumption that animals experience emotional states. Although there has been a bias towards studying negative…”
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Promoting positive states: the effect of early human handling on play and exploratory behaviour in pigs by Zupan, M., Rehn, T., de Oliveira, D., Keeling, L. J.

“…It is known that tactile stimulation (TS) during ontogeny modifies brain plasticity and enhances the motor and cognitive skills. Our hypothesis was that early…”
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Brain gene expression differences are associated with abnormal tail biting behavior in pigs by Brunberg, E., Jensen, P., Isaksson, A., Keeling, L. J.

“…Knowledge about gene expression in animals involved in abnormal behaviors can contribute to the understanding of underlying biological mechanisms. This study…”
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Hens are motivated to dustbathe in peat irrespective of being reared with or without a suitable dustbathing substrate by Wichman, A., Keeling, L.J.

“…Birds usually dustbathe in litter, but in the absence of this they sham dustbathe. The question addressed in this study was whether laying hens, Gallus gallus…”
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Changes in feather condition in relation to feather pecking and aggressive behaviour in laying hens by Bilcik, B, Keeling, L.J

“…1. The aim of this experiment was to describe and examine the relationship between pecks received by individual birds and the feather and skin damage of those…”
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Using data from electronic feeders on visit frequency and feed consumption to indicate tail biting outbreaks in commercial pig production by Wallenbeck, A, Keeling, L J

“…The long term aim with this study was to identify predictors or early indicators of tail biting outbreaks using registrations from electronic feeders. This…”
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Effect of rearing factors on the prevalence of floor eggs, cloacal cannibalism and feather pecking in commercial flocks of loose housed laying hens by GUNNARSSON, S.

“…1. Effects of rearing conditions on behavioural problems were investigated in a cohort study of commercial flocks of laying hens housed in 2 different loose…”
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Human-animal interactions and safety during dairy cattle handling--Comparing moving cows to milking and hoof trimming by Lindahl, C, Pinzke, S, Herlin, A, Keeling, L J

“…Cattle handling is a dangerous activity on dairy farms, and cows are a major cause of injuries to livestock handlers. Even if dairy cows are generally tranquil…”
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Behaviour of laying hens in two types of aviary systems on 25 commercial farms in Sweden by Odén, K., Keeling, L.J., Algers, B.

“…1. Fifty-one flocks of laying hens in two high-density loose-housing systems were studied on 25 commercial farms in Sweden as part of a government test…”
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Group size and perching behaviour in young domestic fowl by Newberry, Ruth C, Estevez, Inma, Keeling, Linda J

“…To test the hypothesis that young domestic fowl perform less perch-related antipredator behaviour with increasing group size, White Leghorn pullets were reared…”
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Comb size, shape complexity and laterality of laying hens reared in environments varying in resource choice by Holt, R.V., Skånberg, L., Keeling, L.J., Estevez, I., Lepej, P., Andersen, I.L., Vas, J., Newberry, R.C.

“…•We investigated laying hen comb metrics as signals of positive welfare.•We predicted that single vs multiple resource choices would affect comb traits.•Combs…”
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Effect of manipulating feathers of laying hens on the incidence of feather pecking and cannibalism by McAdie, T.M, Keeling, L.J

“…Feather pecking is a problem in commercial laying hens, particularly in loose-housing systems, where many hens can be affected by only a few feather peckers…”
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Production-related traits of layers reared in different sized flocks: the concept of problematic intermediate group sizes by Keeling, L J, Estevez, I, Newberry, R C, Correia, M G

“…Laying hens were reared from 1 d of age in four replicates each of four different group sizes: 15, 30, 60, and 120 birds. To maintain stocking density at a…”
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Using data from electronic feeders on visit frequency and feed consumption to indicate tail biting outbreaks in commercial pig production1 by Wallenbeck, A., Keeling, L. J.

“…The long term aim with this study was to identify predictors or early indicators of tail biting outbreaks using registrations from electronic feeders. This…”
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The social transmission of feather pecking in laying hens: effects of environment and age by McAdie, T.M, Keeling, L.J

“…Abnormal behaviours, such as feather pecking, can become an even greater problem if they spread through the flock. Domestic hens are a social species and it…”
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Social behaviour in farm animals by Keeling, L. J, Gonyou, H. W

“…An understanding of social behaviour is increasingly necessary in farm animal husbandry as more animals are housed in groups rather than in individual stalls…”
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A Nordic survey of management practices and owners' attitudes towards keeping horses in groups by Hartmann, E, Bøe, K E, Christensen, J W, Hyyppä, S, Jansson, H, Jørgensen, G H M, Ladewig, J, Mejdell, C M, Norling, Y, Rundgren, M, Särkijärvi, S, Søndergaard, E, Keeling, L J

“…Keeping horses in groups is widely recommended but limited information is available about how this is implemented in practice. The aim of this survey was to…”
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Science-based management of livestock welfare in intensive systems: looking to the future by Vannier, P, Michel, V, Keeling, L J

“…As welfare is a multidimensional concept, its assessment should be a multidisciplinary process, providing a comprehensive assessment of animal welfare in any…”
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Injury incidence, reactivity and ease of handling of horses kept in groups: A matched case control study in four Nordic countries by Keeling, L.J., Bøe, K.E., Christensen, J.W., Hyyppä, S., Jansson, H., Jørgensen, G.H.M., Ladewig, J., Mejdell, C.M., Särkijärvi, S., Søndergaard, E., Hartmann, E.

“…•Severity of injuries in horses used to being kept in groups is overestimated.•Most injuries recorded after mixing horses and four weeks later were…”
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An epidemiological analysis of equine welfare data from regulatory inspections by the official competent authorities by Hitchens, P. L., Hultgren, J., Frössling, J., Emanuelson, U., Keeling, L. J.

“…Determining welfare status in a population is the first step in efforts to improve welfare. The primary objective of this study was to explore a new…”
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