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Table 5 Pre-weaning behaviour (proportion of total observations, %) of selected CW, IS and ISCo piglets1

From: Intermittent suckling with or without co-mingling of non-littermate piglets before weaning improves piglet performance in the immediate post-weaning period when compared with conventional weaning

Behaviour2, % of total observations D3 -10   D −7   D −1  
CW IS ISCo SEM CW IS ISCo SEM CW IS ISCo SEM
Sleeping 50.5 44.0x 39.0x 3.9 54.8a 55.0a,y 24.5b,y 2.7 47.8a 91.2b,z 95.0b,z 2.3
Inactive 2.0x 5.5x 3.0x 1.3 4.5a,xy 13.5b,y 32.5c,y 1.6 7.0a,y 3.0b,x 0.5b,z 1.6
Standing 6.0 7.5x 5.5x 1.8 4.3a 6.3ab,x 7.8b,x 1.1 2.0a 0.3b,y 0.0b,y 0.4
Aggressive behaviour 3.0 2.0 0.5x 1.1 0.5a 1.0ab 3.0b,y 0.6 0.0 0.0 0.3x 0.1
Exploratory and play behaviour 6.0 10.0x 12.0x 2.1 7.8a 17.0b,y 16.8b,x 1.9 7.3a 1.5b,z 0.5b,y 0.9
Manipulative behaviour 4.5 6.0 5.5x 1.7 3.0a 4.5ab 7.5b,x 1.2 3.0a 0.8b 0.5b,y 0.6
Ingestive-related behaviour 4.0 5.0 5.5 1.5 2.3a 1.0a 5.8b 0.9 3.8 3.2 3.0 1.0
Sow-directed behaviour 24.0 20.0 29 3.1 22.3 - - 1.2 28.5 - - 1.3
  1. 1CW = conventional weaning (n = 50), IS = intermittent suckling (n = 50), ISCo = intermittent suckling with co-mingling (n = 50)
  2. 2Results obtained by scan sampling observations. Data were tested nonparametrically
  3. 3Day = day in relation to weaning with weaning = d 0, d −25 is the day on which most the litters were born
  4. a-cFor each day, means with different superscripts are different (P < 0.05), indicating differences between treatments per day
  5. x-zFor each day treatment, means with different superscripts (P <0.05), indicating differences between days within each treatment