. 2019 Jun 18;9(6):369. doi: 10.3390/ani9060369

Table 3.

Effects of enrichment treatment and day of observation on the postures of sows observed in photo scans *. LS Means of duration (proportion of observations) and number of sows in each posture (proportion of sows).

Behaviour *	Treatment					p-Value
Behaviour *	Control	Constant	Rotate	Stimulus	SEM	Treatment	Day **
Standing:
Time (prop. of obs.)	0.965	0.944	0.938	0.932	0.022	0.936	0.896
No. of sows (prop.)	0.444	0.466	0.513	0.513	0.022	0.081	0.061
Sitting:
Time (prop. of obs.)	0.283 ^a	0.307 ^a	0.219 ^a	0.181 ^b	0.041	0.035	0.201
No. of sows (prop.)	0.057	0.069	0.058	0.061	0.009	0.352	0.547
Lying:
Time (prop. of obs.)	0.954	0.970	0.940	0.939	0.012	0.193	0.027
No. of sows (prop.)	0.343	0.314	0.298	0.294	0.023	0.430	0.492

* Sows were observed during an 8 h period (08:00–16:00 h) on four days (1, 8, 10 and 12) using time lapse photos at 10 min intervals. ** Day = day of observation (days 1, 8, 10 and 12). ^ab LSMeans with a different superscript within the same row are significantly different (p < 0.05).