The overeating cats' average body condition score (BCS) - a measurement system similar to body mass index (BMI) in humans - was 5.41 on a 9-point scale at the beginning of the study, but after 18 weeks of overindulging, that number shot up to 8.27, which corresponded to being 30% overweight, according to the study.Īs the felines tipped the scales, researchers observed not only a surge in poop production but also a rise in gastrointestinal transit time, which is the amount of time between eating and bowel movements.
