. 2020 Oct 14;15(10):e0239622. doi: 10.1371/journal.pone.0239622

Table 2. Median and range of the percentage duration of behaviours of 48 sheep before and after laparoscopy.

Moments	M1		M2		M3		M4
Behaviour category	Median	Range	Median	Range	Median	Range	Median	Range
Eat	0^c	0–0	11^b	0–82	31.25^a	0–86	34^ab	0–71
Ruminate	0^b	0–24	0^ab	0–41	4.04^a	0–20	4^a	0–44
Drink	0	0–7	0	0–26	0	0–16	0	0–2
Urinate	0	0–9	0	0–12	0	0–21	0	0–5
Defecate	0	0–0	0	0–19	0	0–0	0	0–0
Normal interaction	44^a	0–100	0^b	0–91	7.15^a	0–95	61^a	0–97
Reduced interaction	0^a	0–97	8^a	0–94	0^a	0–100	0^b	0–97
Absent interaction	0	0–100	0	0–100	0	0–30	0	0–88
Normal locomotion	23^a	0–57	0^b	0–68	0^c	0–47	14^a	0–50
Reduced/altered locomotion	0^b	0–21	0^a	0–25	0^b	0–40	0^a	0–47
Absent/abnormal locomotion	0^b	0–70	2^a	0–100	0^ab	0–60	0^b	0–30
Head above the withers	11^a	0–80	0^b	0–50	0^b	0–67	21^a	0–86
Head at the height of the withers	0	0–68	0	0–78	0	0–87	0	0–81
Head below the withers	10^a	0–70	13^a	0–81	6.46^b	0–60	5^b	0–25
Standing still in normal posture	61^b	33–89	67^ab	0–94	73.87^a	0–100	74^ab	10–92
Standing in altered posture	5^a	0–31	6^a	0–37	1.04^ab	0–60	0^b	0–8
Kick and stamp the limbs on the ground	0^b	0–0	0^ab	0–5	0^b	0–0	0^a	0–14
Lying down with extension of the head and neck and/or limb(s)	0^ab	0–31	0^a	0–38	0^ab	0–60	0^b	0–11
Lying down	0	0–31	0	0–90	0	0–35	0	0–44
Lying down with head turned back	0	0–0	0	0–0	0	0–0	0	0–0
Lying with head supported on or close to the ground	0	0–28	0	0–100	0	0–32	0	0–0
Look at affected area	0	0–0	0	0–0	0	0–0	0	0–0
Lick the affected area	0	0–0	0	0–0	0	0–0	0	0–0
Quick and repeated tail movements	0	0–40	0	0–0	0	0–0	0	0–0
Keep the tail straight	0	0–22	0	0–6	0	0–0	0	0–50
Arch the back	0^b	0–0	0^a	0–34	0^ab	0–13	0^ab	0–7
Body tremors	0	0–0	0	0–11	0	0–0	0	0–0

The proportion of duration of each behavioural category was calculated based on the total time of each period of evaluation (20 mins). Different letters express significant differences between moments (values in bold express differences at M2 compared to M1, or M3, or M4) with a>b>c, according to the Friedman test (p <0.05) [19,29]. M1: preoperative; M2—postoperative, before rescue analgesia; M3—postoperative, after rescue analgesia; M4 - 24h after surgery.