2 ms·
A previous article said they only work the rats for 30 minutes a day. Small mammals typically don't have a lot of endurance. Dogs and humans are kind of outlie
by mystified5016 2y ago
A previous article said they only work the rats for 30 minutes a day.
Small mammals typically don't have a lot of endurance. Dogs and humans are kind of outliers there, as we specifically evolved for persistence hunting.
It's probably just due to mass and ease of training.