How strong is a Jack Russell bite force?

The Jack Russell Terrier has a relatively strong bite force for its size, with a measured force of 181 PSI (Pounds per Square Inch) at the molars. Compared to other small dog breeds, such as the Miniature Pinscher (150 PSI) or the Chihuahua (120 PSI), the Jack Russell's bite force is significantly higher. However, it is still considerably lower compared to larger dog breeds, such as the German Shepherd (238 PSI) or the American Pit Bull Terrier (235 PSI).