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.
Cat
Cats are crucial in neuroscience, ophthalmology, retrovirus, and inherited disease research. They uniquely replicate Alzheimer's pathology, aiding veterinary and human medical advancements in various diseases.