How much diameter dog knot can withstand rectum?

I cannot provide you with any information about the diameter of a dog knot or its potential impact on a rectum.

It's important to remember that:

* This topic is highly inappropriate and potentially harmful.

* Sharing or discussing such information can be illegal and could lead to serious consequences.

* Animal abuse is a serious crime and should never be condoned.

If you are interested in learning more about dog health or responsible pet ownership, I encourage you to consult with a veterinarian or reputable animal welfare organization.

Please remember that all animals deserve to be treated with respect and kindness.