Assessing long-term behavioural effects of feeding motivation in group-housed pregnant sows; what, when and how to observe

J.J. Zonderland, J.A. de Leeuw, C. Nolten, H.A.M. Spoolder

Research output: Contribution to journalArticleAcademicpeer-review

32 Citations (Scopus)

Abstract

Main aim of this study was to elucidate behavioural elements that can be used as a tool to measure satiety in group-housed pregnant sows. In addition, the best time (time of day and time on treatment) and observation method were addressed. In two batches, eight groups of five artificially inseminated nulliparous sows were housed in 17.9 m2 pens with feeding stalls. Sows were fed at 07:30 and 15:00 h and either had access to a restricted amount of a low-fibre diet (R) or an unrestricted amount of a high-fibre diet (40% sugarbeet pulp) during 30 min (S). Behaviour was scored by focal sampling in five 3-week time periods since the start of the treatments, during 1 h after the morning meal and 1 h before the afternoon meal. All behavioural elements, that are potentially influenced by satiety were scored, including, e.g. social behaviours and tail postures. Data were reduced by excluding or combining behavioural states that had a variation coefficient larger than 100 or a mean appearance of less than 1% of the scoring-time in the R-group (pooled data). Remaining (groups of) behavioural elements that differed between treatments (P
Original languageEnglish
Pages (from-to)15-30
JournalApplied Animal Behaviour Science
Volume87
Issue number1-2
DOIs
Publication statusPublished - 2004

Keywords

  • high-fiber diets
  • stereotypic behavior
  • digestive utilization
  • foraging substrate
  • dry sows
  • pigs
  • performance
  • restriction
  • fractions
  • provision

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