Figure 19.2 A No. 15 scalpel blade may be used to create a small skin incision to facilitate passage of the cannula.

Figure 19.3 The skin incision may be made using a skin tenting technique to ensure that the abdomen is not inadvertently penetrated.

Figure 19.4 A variety of lengths of teat cannulas are available for use.

Figure 19.5 Placement of the teat cannula into the peritoneal cavity is achieved by steady pressure.