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Tags: Agonistic behavior + Social behavior

All Categories (1-20 of 55)

  1. Comprehensive analysis of affiliative and agonistic social networks in lactating dairy cattle groups

    Contributor(s):: Foris, Borbala, Zebunke, Manuela, Langbein, Jan, Melzer, Nina

    The social environment of dairy cattle is important for their welfare under modern housing and management conditions. Social tension can negatively affect individuals even in a well-designed and healthy environment whereas affiliative behaviour may improve their well-being. The complex social...

  2. Effects of communal rearing and group size on breeding rabbits’ post-grouping behaviour and its relation to ano-genital distance

    Contributor(s):: Buijs, Stephanie, Vangeyte, Jürgen, Tuyttens, Frank A. M.

    Group housing is becoming the standard for many farm animal species, as it is seen as a more welfare friendly way of keeping gregarious animals. Aggression between female breeding rabbits currently obstructs the implementation of group housing for this species. Lack of social experience during...

  3. Head partitions at the feed barrier affect behaviour of goats

    Contributor(s):: Nordmann, E., Barth, K., Futschik, A., Palme, R., Waiblinger, S.

    Space allowance at the feeding places often forces goats to feed in close proximity, that is, less than their individual distances. In consequence, agonistic behaviour may increase as well as stress and injuries, while access to feed may decrease, especially in low-ranking goats. Partitions...

  4. Behavior of feral horses in response to culling and GnRH immunocontraception

    Contributor(s):: Ransom, J. I., Powers, J. G., Garbe, H. M., Oehler, M. W., Sr., Nett, T. M., Baker, D. L.

    Wildlife management actions can alter fundamental behaviors of individuals and groups, which may directly impact their life history parameters in unforeseen ways. This is especially true for highly social animals because changes in one individual's behavior can cascade throughout its social...

  5. Effects of neonatal castration on social behaviour, human-animal relationship and feeding activity in finishing pigs reared in a conventional or an enriched housing

    Contributor(s):: Tallet, C., Brillouet, A., Meunier-Salaun, M. C., Paulmier, V., Guerin, C., Prunier, A.

  6. A review of shark agonistic displays: Comparison of 2 display features and implications for shark-human interactions

    Contributor(s):: Martin, R. Aidan

  7. Agonistic behaviour and feather pecking in single-sexed and mixed groups of laying hens

    Contributor(s):: Oden, K., Vestergaard, K. S., Algers, B.

    The effects of the presence of males on female aggressiveness and feather pecking in groups of about 500 laying hens housed in an aviary system were studied. In all, 10 groups of ISA Brown laying hens were observed at 21, 35, 45 and 55 weeks of age on 2 farms, during 2 years. In the second year,...

  8. Agonistic interactions and physiological reactions of top- and bottom-ranking pigs confronted with a familiar and an unfamiliar group: preliminary results

    Contributor(s):: Otten, W., Puppe, B., Stabenow, B., Kanitz, E., Schon, P. C., Brussow, K. P., Nurnberg, G.

    Four trials were carried out, where in each trial during a selection test 2 groups of growing pigs (12 weeks old) with 9 animals each were randomly formed. After a week, the top (TR) and bottom (BR) ranking pig from each group was isolated and kept under single housing conditions. At the age of...

  9. Behavioural characteristics of two dairy breeds of cows selected ( Herens ) or not ( Brune des Alpes ) for fighting and dominance ability

    Contributor(s):: Plusquellec, P., Bouissou, M. F.

    Two breeds of dairy cattle, one selected for intra-specific fighting and dominance ability (Herens, H), the other not selected for this behavioural trait (Brune des Alpes, BA), submitted to the same management techniques, were compared with respect to their social behaviour (dominance, agonistic...

  10. Early feather pecking as a form of social exploration: the effect of group stability on feather pecking and tonic immobility in domestic chicks

    Contributor(s):: Riedstra, B., Groothuis, T. G. G.

    In two lines of White Leghorns that differ in their propensity to feather peck, feather pecking was already present one day after hatching. A significant line difference developed within 3 days and this difference remained during the following weeks. There was no clear relationship between...

  11. Effects of early contact between non-littermate piglets and of the complexity of farrowing conditions on social behaviour and weight gain

    Contributor(s):: Kutzer, T., Bunger, B., Kjaer, J. B., Schrader, L.

    In this study we tested if contact possibilities between non-littermate piglets and complexity of farrowing conditions affect the pre- and post-weaning behaviour, weight gain and skin lesions of piglets. Suckling sows were either kept in a group housing system (GH), in a single pen loose housing...

  12. Gender effects on aggression, dominance rank, and affiliative behaviors in a flock of captive adult cockatiels ( Nymphicus hollandicus )

    Contributor(s):: Seibert, L. M., Crowell-Davis, S. L.

    Agonistic and affiliative behaviours and spatial positioning were studied in a small psittacine species, N. hollandicus. Subjects studied were flock-housed breeders including 5 hens and 7 cocks. 15-minute focal animal samples were collected for the entire flock in a randomly distributed order...

  13. Individual differences in behaviour and in adrenocortical activity in beef-suckler cows

    Contributor(s):: Mulleder, C., Palme, R., Menke, C., Waiblinger, S.

    The aims of this study were to investigate the existence of individual behavioural strategies in beef-suckler cows in a stable herd, whether these strategies are related to basic activities and to adrenocortical activity, and whether they are consistent in a situation of social competition....

  14. Influence of mothering on emotional and social reactivity of domestic pullets

    Contributor(s):: Perre, Y., Wauters, A. M., Richard-Yris, M. A.

    The aim of this study was to determine whether different early mothering experiences influenced emotional and social reactivity of sub-adults and adults in domestic fowl. We compared two types of individuals: brooded and non-brooded pullets. Brooded pullets were reared by a maternal hen during...

  15. Intercat aggression: a retrospective study examining types of aggression, sexes of fighting pairs, and effectiveness of treatment

    Contributor(s):: Lindell, E. M., Erb, H. N., Houpt, K. A.

    48 cases of intercat aggression, presented to the Animal Behaviour Clinic at New York State College of Veterinary Medicine at Cornell University between 1988 and 1994, were examined retrospectively. Clients were contacted by telephone so that the outcome of the treatment programme could be...

  16. Preparing gilts for group housing by increasing their social skills

    Contributor(s):: Putten, G. van, Bure, R. G.

    384 experimental GY x DUROC hybrid gilts and 384 control gilts were used to study agonistic behaviour in group housing. The experimental animals were born in individual farrowing crates with slatted floors. They were weaned at 30 days and kept in flatdeck cages with 2 other litters in groups of 8...

  17. Resting and social behaviour of dairy heifers housed in slatted floor pens with different sized bedded lying areas

    Contributor(s):: Nielsen, L. H., Mogensen, L., Krohn, C., Hindhede, J., Sorensen, J. T.

    The hypothesis that an increase in the straw bedded resting area for group housed heifers would increase synchronization of resting behaviour and decrease aggressive and abnormal behaviour was tested. An experiment was conducted on 2 Danish commercial dairy farms with 20 Danish Friesian heifers...

  18. Space use and agonistic behaviour in relation to sex composition in large flocks of laying hens

    Contributor(s):: Oden, K., Vestergaard, K. S., Algers, B.

    Experiments were carried out to test the hypothesis that hens in large flocks have home ranges in parts of the pen and that they form subgroups. In a tiered aviary system (density averaged 16 hens/msuperscript 2 of floor area), 8 flocks of 568+or-59 ISA Brown laying hybrids were kept in pens....

  19. The social and feeding behaviour of growing pigs in deep-litter, large group housing systems

    Contributor(s):: Morrison, R. S., Hemsworth, P. H., Cronin, G. M., Campbell, R. G.

    Two studies compared the social and feeding behaviour of Large White x Landrace entire male (non-castrated) growing pigs housed in deep-litter, large group and conventional housing systems. In Study 1, an ethogram of behaviour was developed. The pigs were housed at 1 m2 per pig (200 pigs per pen)...

  20. Agonistic behaviour associated with orphan bison ( Bison bison L.) calves released into a mixed resident population

    Contributor(s):: Coppedge, B. R., Carter, T. S., Shaw, J. H., Hamilton, R. G.

    Aggressive interactions of 43 bison calves (10 months old) released motherless into a 288-member resident bison population of mixed composition were observed. Based on expected observations of aggressive interactions from chi superscript 2 analyses, these 'orphan' calves were recipients of...