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Alternative housing for sows and litters: 2. Effects of a communal piglet area on pre- and post-weaning behaviour and performance

By D. M. Weary, E. A. Pajor, M. Bonenfant, S. K. Ross, D. Fraser, D. L. Kramer

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An experiment was conducted to determine how allowing piglets access to a communal area affects pre-weaning and post-weaning behaviour and performance. Litters were housed in pens with sows in crates until piglets reached 11 days of age. For 10 experimental cohorts, barriers between the pens of three litters were removed allowing piglets to mingle freely in a central area. For the 10 control cohorts (also three litters each), litters were not allowed to mix before weaning. There was little aggression when experimental litters were allowed to mix, and piglets played and rested in mixed-litter groups. Time spent in the common area increased from approximately 20% just after mixing (12 days old) to approximately 45% at day 26 (week 4). Experimental piglets were nursed less often than controls, especially during the later stages of lactation. However, there was no difference in the amount of creep feed consumed or rate of weight gain before weaning. After weaning, experimental piglets ate significantly more solid food than controls (approximately 70 g/day more during the second week after weaning). As a second comparison, piglets were either kept in single litter groups after weaning, or mixed with other litters from the same cohort. When control litters were mixed after weaning, piglets spent almost 60% more time in aggressive behaviour than when litter-mates were kept together, but no such difference occurred for the experimental litters. It is concluded that the experimental housing treatment allowed for mixing at an early age and helped avoid fighting between mixed piglets at weaning. The system also slightly lowered demands on the sow during lactation and slightly increased intake of solid food by piglets after weaning.

Date 1999
Publication Title Applied Animal Behaviour Science
Volume 65
Issue 2
Pages 123-135
ISBN/ISSN 0168-1591
DOI 10.1016/S0168-1591(99)00053-2
Language English
Author Address Animal Welfare Program, Faculty of Agricultural Sciences and Centre for Applied Ethics, University of British Columbia, 2357 Main Mall, Vancouver, BC, V6T 1Z4, Canada.
Cite this work

Researchers should cite this work as follows:

  1. Aggression
  2. Animal behavior
  3. Animal housing
  4. Animal husbandry
  5. Animal nutrition
  6. Behavior and behavior mechanisms
  7. Dairy animals
  8. Housing
  9. Lactation
  10. Mammals
  11. peer-reviewed
  12. pens
  13. piggeries
  14. pig housing
  15. Pigs
  16. sows
  17. sties
  18. Swine
  19. weaning
  20. Weight
  1. peer-reviewed