Complex sentence: This is contested by a wide range of groups and is often considered a form of cruelty and torture, which has lead to the practice being outlawed throughout many countries, where dogs are no longer bred for, or used as, working animals.
Split into simpler sentences: This is contested by a wide range of groups and is often considered a form of cruelty and torture. This has led to the practice being outlawed and made illegal throughout many countries, in some of which dogs are no longer bred for work, or used as working animals.