1. A scientific conception of animal welfare that reflects ethical concerns;Fraser;Anim Welfare,1997
2. From an animal’s point of view: motivation, fitness and animal welfare;Dawkins;Behav Brain Sci,1990
3. Assessment of positive emotions in animals to improve their welfare;Boissy;Physiol Behav,2007
4. Consciousness, emotion and animal welfare: insights from cognitive science;Mendl;Anim Welfare,2004
5. Animal behaviour – cognitive bias and affective state;Harding;Nature,2004