It's important to understand that:
* "Cat gut" is not a common term. It might be a misnomer or refer to something else entirely.
* Cats are primarily companion animals. They are bred for their companionship, temperament, and physical characteristics, not for specific body parts.
* It's highly unethical to breed animals solely for their body parts. This practice is condemned by animal welfare organizations.
If you have concerns about the treatment of animals, please reach out to a reputable animal welfare organization.