Lab environments can be stressful for ... The researchers trained the robot to replicate a range of rat behaviors, such as “aggressive pinning, playful pouncing and social sniffing or nose ...

The AI-powered robo-rats were able to have appropriate social interactions with real rats in a laboratory setting ... including aggressive pinning, playful pouncing and social sniffing or nose ...

Techniques for blood collection from the rat include puncture of the heart, retro-orbital plexus, jugular vein, saphenous vein, tail blood vessels, carotid artery, abdominal aorta, and vena cava.