Table 3. Detection performance by pig behaviour.

Network	IoU_Threshold = 0.5			IoU_Threshold = 0.6
	YOLOv3	YOLOv4	Additional layer ▪ mish	YOLOv3	YOLOv4	Additional layer ▪ mish
Drink_AP	95.66	94.22	96.56	84.97	86.21	91.25
Feed_AP	86.86	89.16	86.41	61.06	68.31	57.90

IoU, intersection over union; YOLO, you-only-look-once; AP, access point.