INSIGHT Vet Vital Signs Operator's Manual page 38

Note
The width of the cuff should be 40% of the appendage
circumference in dogs and 30% in cats, using the forelimb,
hindlimb or tail. Using a cuff that is too large will tend to give
falsely lower blood pressure readings and vice versa.
Vet Reusable NIBP Cuff:
Species Type Circumference Cuff Width
Cat
Dog
Sheep
Bovine
10～19cm
18～26cm
25～35cm
33～47cm
38
8cm
10.6cm
14cm
17cm
Hose
1.5m