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Are "pit bulls" different? An analysis of the pit bull terrier controversy
Contributor(s):: Lockwood, R., Rindy, K.
Effects of fattening boars in mixed or single sex groups and split marketing on pig welfare
Contributor(s):: Boyle, L. A., Bjorklund, L.
Our aim was to evaluate the effects of single or mixed sex fattening of boars and split marketing (SM) on pig welfare. Female (n=10), male (n=10) and mixed sex (n=10) groups were fattened to 105 kg. Two focal pigs per pen were selected for continuous behaviour observations and skin lesion...
Maternal response to mother-offspring separation in the chimpanzee ( Pan troglodytes )
Contributor(s):: Bloomsmith, M. A., Tarou, L. R., Lambeth, S. P., Haberstroh, M. D.
For management and/or research purposes, chimpanzee mothers and their offspring are often physically separated from one another at an earlier age than they would be in the wild. Studies of the behavioural and physiological effects of mother-infant separation on infant behaviour have been...
Social behaviour and injuries of horned cows in loose housing systems
Contributor(s):: Menke, C., Waiblinger, S., Folsch, D. W., Wiepkema, P. R.
The relationship between social behaviour and skin injuries (caused by horns) of loose housed horned cows was investigated on 35 dairy farms (mean herd-size, 34.54, range, 8-80). While the frequencies of 2 agonistic behaviour elements (push and chase away) were positively correlated with the...
Social behaviour of collared peccaries ( Pecari tajacu ) under three space allowances
Contributor(s):: Nogueira, S. S. da C., Silva, M. G., Dias, C. T. dos S., Pompeia, S., Cetra, M., Nogueira Filho, S. L. G.
Captive breeding of peccaries is on the increase in neotropical countries. Few studies, however, have reported behavioural responses of wild animals under farmed conditions. Therefore, the aim of this study was to evaluate the effects of space allowance on the occurrence of social behaviour...