
9: The social behaviour of sheep, A Fisher and L Matthews, AgResearch, Ruakura Agricultural Research Centre, Hamilton, New Zealand. 8: Social behaviour of domestic birds, J Mench, Department of Animal Science, University of California and L Keeling. 7: The social behaviour of pigs, H W Gonyou, Prairie Swine Centre, Saskatchewan, Canada. 6: The social behaviour of cattle, M F Bouissou, INRA, Nouzilly, France, et al. Part II: The social behaviour of domestic species. 5: The evolution and domestication of social behaviour, W R Stricklin, Department of Animal & Avian Sciences, University of Maryland.
4: Parent behaviour, P Jensen, Swedish University of Agricultural Sciences. 3: Group life, C Lindberg, Department of Clinical Veterinary Science, University of Bristol. 2: Living in groups: An evolutionary perspective, M Mendl and S Held, Department of Clinical Veterinary Science, University of Bristol.