Ferret
Ferrets, sharing anatomical and physiological traits with humans, are pivotal in research for various diseases like peptic ulcers, cystic fibrosis, and influenza, making them invaluable models in biomedical studies.
Guinea Pig
Guinea pigs, resembling humans in bacterial infection symptoms and immune response, have aided research for over 200 years, advancing treatments for lung, ear, eye, artery, stomach, intestine diseases, including tuberculosis.