What is the size of a jack Russell's stomach?

The size of a Jack Russell's stomach can vary depending on the individual dog's size and age. On average, a Jack Russell's stomach capacity is around 1 to 1.5 cups of food per meal. It is important to feed them appropriate portion sizes to prevent overeating and obesity. Monitoring their body condition score and adjusting their food intake accordingly is essential for their overall health and well-being.