Behavior and performance of pigs previously housed in large groups

Journal of Animal Science

Volumn 87, Issue 4, 2009, Pages 1472-1478

  Li, Y Z ^a   Johnston, L J ^a  

^a UNIVERSITY OF MINNESOTA   (United States)

Author keywords

Aggression; Body weight variation; Familiarity; Pig; Sow group housing

Indexed keywords

AGGRESSION; ANIMAL; ANIMAL BEHAVIOR; ANIMAL HOUSING; ARTICLE; BODY WEIGHT; FEMALE; GROWTH, DEVELOPMENT AND AGING; INJURY; MALE; PHYSIOLOGY; PSYCHOLOGICAL ASPECT; RANDOMIZATION; RECOGNITION; SWINE;

AGGRESSION; ANIMALS; BEHAVIOR, ANIMAL; BODY WEIGHT; FEMALE; HOUSING, ANIMAL; MALE; RANDOM ALLOCATION; RECOGNITION (PSYCHOLOGY); SWINE;

SUIDAE;

EID: 63849271850     PISSN: 00218812     EISSN: 15253163     Source Type: Journal    
DOI: 10.2527/jas.2008-1202     Document Type: Article

References (31)

1. Andersen, I. L., H. Andenas, K. E. Boe, P. Jensen, and M. Bakken, 2000. The effects of weight asymmetry and resource distribution on aggression in groups of unacquainted pigs. Appl. Anim. Behav. Sci. 68:f07-f20.
2. Andersen, I. L., E. Navdal, M. Bakken, and K. E. Boe. 2004. Aggression and group size in domesticated pigs, Sus scrofa: When the winner takes it all and the loser is standing small. Anim. Behav. 68:965-975.
3. Brumm, M. C, M. Ellis, L. J. Johnston, D. W. Rozeboom, and D. R. Zimmerman. 2002. Effect of removal and remixing of lightweight pigs on performance to slaughter weights. J. Anim. Sci. 80:1166-1172.
4. Davis, M. E., S. C. Sears, J. K. Apple, C. V. Maxwell, and Z. B. Johnson. 2006. Effect of weaning age and commingling after the nursery phase of pigs in a wean-to-finish facility on growth, and humoral and behavioral indicators of well-being. J. Anim. Sci. 84:743-756.
5. Estevez, L, I. L. Andersen, and E. Naevdal. 2007. Group size, density and social dynamics in farm animals. Special issue: Too many, too few: the effects of group size and density in captive animals. Appl. Anim. Behav. Sci. 103:185-204.
6. Gonyou, H. W., K. A. Rohde Parfet, D. B. Anderson, and R. D. Olson. 1988. Effects of amperozide and azaperone on aggression and productivity of growing-finishing pigs. J. Anim. Sci. 66:2856-2862.
7. Hodgkiss, N. J., J. G. Eddison, P. H. Brooks, and P. Bug. 1998. Assessment of the injuries sustained by pregnant sows housed in groups using electronic feeders. Vet. Rec. 143:604-607.
8. Hoster, R., and W. H. M. Baltussen. 1992. Decreasing the variation in delivery weight of fattening pigs. Proefverslag - Proefstation voor de Varkenshouderij. P. 1. 87.
9. Jensen, P., B. Forkman, J. Yngvesson, and I. L. Furuhaug. 1996. Assessment in pig conflicts. Page 46 in Proc. 30th Int. Gongr. Int. Soc. Applied Ethol. I. J. H. Duncan, T. M. Widowski, and D. B. Haley, ed. Ontario, Canada.
10. Jensen, P., and J. Yngvesson. 1998. Aggression between unacquainted pigs - sequential assessment and effects of familiarity and weight. Appl. Anim. Behav. Sci. 58:49-61.
11. Karlen, G. A., P. H. Hemsworth, H. W. Gonyou, E. Fabrega, A. D. Strom, and R. J. Smits. 2007. The welfare of gestating sows in conventional stalls and large groups on deep litter. Appl. Anim. Behav. Sci. 105:87-101.
12. Li, Y. Z., B. J. Kerr, M. T. Kidd, and H. W. Gonyou. 2006. Use of supplementary tryptophan to modify the behavior of pigs. J. Anim. Sci. 84:212-220.
13. Littell, R. C, G. A. Milliken, W. W. Stroup, and R. D. Wolfinger. 1996. SAS System for Mixed Models. SAS Institute Inc., Gary, NC.
14. Martin, P., and P. Bateson. 1993, Measuring Behaviour: An Introductory Guide. 2nd ed. Cambridge Univ. Press, Cambridge, UK.
15. McGlone, J. J., J. L. Salak, E. A. Lumpkin, R. I. Nicholson, M. Gibson, and R. L. Norman. 1993. Shipping stress and social status effects on pig performance, plasma Cortisol, natural killer cell activity and leukocyte numbers. J. Anim. Sci. 71:888-896.
16. Meese, G. B., and R. Ewbank. 1973. The establishment and nature of the dominance hierarchy in the domesticated pig. Anim. Behav. 21:326-334.
17. NRC. 1998. Nutrition Requirements of Swine. 10th ed. Natl. Acad. Press, Washington, DC.
18. O'Connell, N. E., V. E. Beattie, and D. Watt. 2005. Influence of regrouping strategy on performance, behaviour and carcass parameters in pigs. Livest. Prod. Sci. 97:107-115.
19. O'Quinn, P. R., S. S. Dritz, R. D. Goodband, and M. D. Tokach. 2001. Sorting growing-finishing pigs by weight fails to improve growth performance or weight variation. Swine Heal. Prod. 9:11-16.
20. Pedersen, B. K., K. H. Jensen, and N. P. Nielsen. 1998. Farrowing systems for the future. Pages 273-280 in Proc. 15th IPVS Congr., 5-9 July 1998. Birmingham, UK. Nottingham Univ. Press, Nottingham, UK.
21. Pitts, A. D., D. M. Weary, E. A. Pajor, and D. Eraser. 2000. Mixing at young ages reduces fighting in unacquainted domestic pigs. Appl. Anim. Behav. Sci. 68:191-197.
22. Puppe, B. 1998. Effects of familiarity and relatedness on agonistic pair relationships in newly mixed domestic pigs. Appl. Anim. Behav. Sci. 58:233-239.
23. Randolph, J. H., G. L. Cromwell, T. S. Stahly, and D. D. Kratzer. 1981. Effects of group size and space allowance on performance and behavior of swine. J. Anim. Sci. 53:922-927.
24. Rushen, J. 1987. A difference in weight reduces fighting when unacquainted newly weaned pigs first meet. Can. J. Anim. Sci. 67:951-960.
25. Rushen, J. 1988. Assessment of fighting ability or simple habituation: What causes young pigs to stop fighting. Aggress. Behav. 14:155-167.
26. Schmolke, S. A., Y. Z. Li, and H. W. Gonyou. 2004. Effects of group size on social behavior following regrouping of growing-finishing pigs. Appl. Anim. Behav. Sci. 88:27-38.
27. Stookey, J. M., and H. W. Gonyou. 1994. The effects of regrouping on behavioural and production parameters in finishing swine. J. Anim. Sci. 72:2804-2811.
28. Stookey, J. M., and H. W. Gonyou. 1998. Recognition in swine: Recognition through familiarity or genetic relatedness? Appl. Anim. Behav. Sci. 55:291-305.
29. Turner, S. P., and S. A. Edwards. 2004. Housing immature domestic pigs in large social groups: Implications for social organization in a hierarchical society. Appl. Anim. Behav. Sci. 87:239-253.
30. Turner, S. P., M. J. Farnworth, I. M. S. White, S. Brotherstone, M. Mendl, P. Knap, P. Penny, and A. B. Lawrence. 2006. The accumulation of skin lesions and their use as a predictor of individual aggressiveness in pigs. Appl. Anim. Behav. Sci. 96:245-259.
31. Turner, S. P., G. W. Horgan, and S. A. Edwards. 2001. Effect of social group size on aggressive behavior between unacquainted domestic pigs. Appl. Anim. Behav. Sci. 74:203-215.