Feed-restricted broiler breeders: State-dependent learning as a novel welfare assessment tool to evaluate their hunger state?

Authors: Louise Anne Buckley, Victoria Sandilands, Paul Morison Hocking, Bert Jan Tolkamp, Rick Brian D’Eath

Publication/Journal: Applied Animal Behaviour Science

Keywords: animal welfare, broiler breeder, choice test, feed restriction, preference test, state-dependent learning

2015

Quantifying hungry broiler breeder dietary preferences using a closed economy T-maze task

Authors: Louise A. Buckley, Victoria Sandilands, Bert J. Tolkamp, Richard B. D'Eath

Publication/Journal: Applied Animal Behaviour Science

Keywords: broiler breeder, choice tests, hunger stress, preference testing, qualitative food restriction, quantitative feed restriction

2011

Too hungry to learn? Hungry broiler breeders fail to learn a Y-maze food quantity discrimination task

Authors: L.A. Buckley, L.M. McMillan, V. Sandilands, B.J. Tolkamp, P.M. Hocking, R.B. D'Eath

Publication/Journal: Animal Welfare

Keywords: animal welfare, broiler breeders, choice test, feed restriction, learning, stress

2011

‘Freedom from hunger’ and preventing obesity: the animal welfare implications of reducing food quantity or quality

Authors: Richard B. D'Eath, Bert J. Tolkamp, Ilias Kyriazakis, Alistair B. Lawrence

Publication/Journal: Animal Behaviour

Keywords: chicken, diet, feeding behavior, feeding behaviour, hunger, nutrition, obesity, pig, qualitative food restriction, stereotypy

2009

Inter-observer and test-retest reliability of on-farm behavioural observations in veal calves

Authors: Bokkers, E.A.M.; Leruste, H.; Heutinck, L.F.M.; Wolthuis-Fillerup, M.; Werf, J.T.N. van der; Lensink, B.J.; Reenen, C.G. van

Publication/Journal: Animal Welfare

Keywords: animal behavior, animal welfare, barns, behaviour, behavioural response test, calf feeding, farmers, farms, human-animal relations, monitoring, reliability, validity, veal calves

2009

A novel flexible method to split feeding behaviour into bouts

Authors: J. Howie, B. Tolkamp, S. Avendano, I. Kyriazakis

Publication/Journal: Applied Animal Behaviour Science

Keywords: broiler, feeding behavior, feeding behaviour, meal criterion, models

2009

Behaviour and welfare of broiler breeders fed qualitatively restricted diets during rearing: Are there viable alternatives to quantitative restriction?

Authors: V. Sandilands, B. J. Tolkamp, C. J. Savory, I. Kyriazakis

Publication/Journal: Applied Animal Behaviour Science

Keywords: animal welfare, behaviour, broiler breeder, food restriction, stress

2006

Behaviour of food restricted broilers during rearing and lay–effects of an alternative feeding method

Authors: Victoria Sandilands, Bert J. Tolkamp, Ilias Kyriazakis

Publication/Journal: Physiology & Behavior

Keywords: behaviour, broiler breeder, feeding motivation, food restriction, plasma corticosterone, welfare, white blood cells

2005

The effect of contact with conspecifics and humans on calves’ behaviour and stress responses

Authors: Raussi, S.; Lensink, B.J.; Boissy, A.; Pyykkönent, M.; Veissier, I.

Publication/Journal: Animal Welfare

Keywords: acth challenge, animal welfare, behaviour, cattle, housing, human-animal interactions

2003

There are no known differences in brain mechanisms of consciousness between humans and other mammals

Authors: B.J. Baars

Publication/Journal: Animal Welfare

Keywords: animal awareness, animal welfare, attention, consciousness, waking

2000