Table 1. Experimental groups

Groups	Excision wound site	Wound size	Chimney fixation method
TA	Left back(caudal part)	Skin-10 mm diameter, full-thickness(about 1 mm depth)Muscle-8 mm diameter, about 1–2 mm depth	TA only
TA + SI (two sites)			TA and SI suture (two sites)
TA + SI (four sites)			TA and SI suture (four sites)
PS			PS suture only

TA, tissue adhesive; SI, simple interrupted; PS, purse-string.