Why is killing dogs one of the 30 sins?

Killing dogs is one of the 30 sins because it is an act of cruelty that can cause immense suffering and distress to the animal, as well as to any humans who are connected to the animal. Dogs are sentient creatures, capable of feeling pain and suffering, and killing them is an act of violence that disregards their right to life. It can also be seen as a violation of the trust between a human and a dog, as dogs rely on humans for their care and protection. Furthermore, killing a dog can have a devastating effect on the dog’s family, who may have formed a strong emotional bond with the animal. The act of killing a dog is seen as morally wrong because it violates the principles of compassion and respect for life.