Those who abuse animals clearly have issues. They pose a danger not only to animals, but possibly also to society at large.

Psychiatric evaluation and therapy should be mandatory for those found guilty of animal abuse. Fines, jail or caning doesn't solve the problem. 

There's a reason the FBI keeps track of cases of cruelty to animals: It's often a precursor to escalated levels of violence, most famously illustrated by serial killers and mass shooters such as Jeffrey Dahmer, Ted Bundy, and Nikolas Cruz, who abused other animals before attacking humans.

https://www.thestar.com.my/news/nation/2023/05/22/dog-abuser-spared-caning