Effects of group size on social behavior following regrouping of growing-finishing pigs

Applied Animal Behaviour Science

Volumn 88, Issue 1-2, 2004, Pages 27-38

  Schmolke, Stephanie A ^a,b   Li, Yuzhi Z ^b   Gonyou, Harold W ^a,b  

^a UNIVERSITY OF SASKATCHEWAN   (Canada)

^b PRAIRIE SWINE CENTRE INC   (Canada)

Author keywords

Aggression; Group size; Pigs; Regrouping; Social behavior

Indexed keywords

AGGRESSION; BEHAVIORAL RESPONSE; GROUP SIZE; LIVESTOCK; SOCIAL BEHAVIOR;

SUS SCROFA;

EID: 3242659998     PISSN: 01681591     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.applanim.2004.02.017     Document Type: Article

References (28)

1. Anderson I.L., Andenas H., Boe K.E., Jensen P., Bakken M. The effects of weight asymmetry and resource distribution on aggression in groups of unacquainted pigs. Appl. Anim. Behav. Sci. 68:2000;107-120
2. English, P.R., Fowler, V.R., Baxter, S., Smith, B., 1988. The Growing and Finishing Pig: Improving Efficiency. pp. 331-373.
3. Estevez I., Newberry R.C., de Reyna L.A. Broiler chickens: a tolerant social system. Etología. 5:1997;19-29
4. Ewbank R. Social hierarchy in suckling and fattening pigs: a review. Livest. Prod. Sci. 3:1976;363-372
5. Francis D.A., Christison G.I., Cymbaluk N.F. Uniform or heterogeneous weight groups as factors in mixing weanling pigs. Can. J. Anim. Sci. 76:1996;171-176
6. Gonyou, H.W., 2001. The social behaviour of pigs. In: Keeling, L.J., Gonyou, H.W. (Eds.), Social Behaviour in Farm Animals. CABI Publ., Wallingford, UK, pp. 147-176.
7. Gonyou H.W., Lou Z. Effects of eating space and availability of water in feeders on productivity and eating behavior of grower/finisher pigs. J. Anim. Sci. 78:2000;865-870
8. Gonyou H.W., Rohde Parfet K.A., Anderson D.B., Olson R.D. Effects of amperozide and azaperone on aggression and productivity of growing-finishing pigs. J. Anim. Sci. 66:1988;2856-2864
9. Jensen P., Yngvesson J. Aggression between unacquainted pigs - sequential assessment and effects of familiarity and weight. Appl. Anim. Behav. Sci. 58:1998;49-61
10. Lehner, P.N., 1996. Handbook of Ethological Methods, second ed. Cambridge University Press, pp. 465-484.
11. McGlone J.J., Curtis S.E. Behavior and performance of weanling pigs in pens equipped with hide areas. J. Anim. Sci. 60:1985;20-24
12. Mendl, M., Held, S., 2001. Living in groups: an evolutionary perspective. In: Keeling, L.J., Gonyou, H.W. (Eds.), Social Behaviour in Farm Animals. CABI Publ., Wallingford, UK, pp. 7-36.
13. Moore A.S., Gonyou H.W., Ghent A.W. Integration of newly introduced and resident sows following regrouping. Appl. Anim. Behav. Sci. 38:1993;257-267
14. Moore, C.M., Zhou, J.Z., Stricklin, W.R., Gonyou, H.W., 1996. The influence of group size and floor space allowance on social organization of growing-finishing pigs. In: Duncan, I.J.H., Widowski, T.M., Haley, D.B. (Eds.), Proceedings of the 30th International Congress Int. Soc. Appl. Ethol., Guelph, Canada, p. 34.
15. Puppe B., Tuchscherer M. Social structures in intensively kept pigs. 3. Ethological investigations on the rank order. Archiv fur Tierzucht. 37:1994;309-325
16. Rundgren M., Lofquist I. Effects on performance and behaviour of mixing 20-kg pigs fed individually. Anim. Prod. 49:1989;311-315
17. Rushen J. A difference in weight reduces fighting when unacquainted newly weaned pigs first meet. Can. J. Anim. Sci. 67:1987;951-960
18. Schmolke S.A., Li Y.Z., Gonyou H.W. Effect of group size on performance of growing-finishing pigs. J. Anim. Sci. 81:2003;874-878
19. Spoolder H.A.M., Edwards S.A., Corning S. Effects of group size and feeder space allowance on welfare in finishing pigs. Anim. Sci. 69:1999;481-489
20. Stookey J.M., Gonyou H.W. Recognition in swine: recognition through familiarity or genetic relatedness. Appl. Anim. Behav. Sci. 55:1998;291-305
21. Stricklin, W.R., Mench, J.A., 1987. Social organization. In: Price, E.O. (Ed.), Farm Animal Behavior. W.B. Saunders Company, Philadelphia, PA, pp. 307-322.
22. Turner S.P., Sinclair A.G., Edwards S.A. The interaction of liveweight and the degree of competition on drinking behaviour in growing pigs at different group sizes. Appl. Anim. Behav. Sci. 67:2000a;321-334
23. Turner S.P., Ewen M., Rooke J.A., Edwards S.A. The effect of space allowance on performance, aggression and immune competence of growing pigs housed on straw deep-litter at different group sizes. Livest. Prod. Sci. 66:2000b;47-55
24. Turner S.P., Horgan G.W., Edwards S.A. Effect of group size on aggressive behaviour between unacquainted domestic pigs. Appl. Anim. Behav. Sci. 74:2001;203-215
25. Turner S.P., Allcroft D.J., Edwards S.A. Housing pigs in large groups: a review of implications for performance and other economic traits. Livest. Prod. Sci. 82:2003;39-51
26. Van de Poll N.E., de Jonge F., van Oyen H.G., van Pelt J. Aggressive behavior in rats: effects of winning or losing on subsequent aggressive interactions. Behav. Process. 7:1982;143-155
27. Wolter B.F., Ellis M. Impact of large group sizes on growth performance in pigs in the USA. Pig News Info. 23:2002;17N-20N
28. Zhou J.Z., Stricklin W.R. The influence of pen shape and group size on crowding when density is constant. J. Anim. Sci. 70(Suppl. 1):1992;174