The heinous slaughter of 100 dogs in British Columbia has revealed a "dirty secret" of the dog sled industry, according to CKNW.

Following the 2010 Olympic Games, there was a slump in business at Outdoor Adventures Whistler. CBC News reports that an employee was ordered to kill 100 dogs from a pack of 300. The dogs were repeatedly shot and had their throats slashed before being dumped into a mass grave.

The employee describes one dog whose "eye was hanging off, and it was still running around." Another dog was dumped into the grave while still alive, and the Outdoor Adventures Whistler employee watched as the dog tried to climb out. The employee has been reportedly compensated for experiencing post-traumatic stress disorder after conducting the killings.

It is unclear if the company will actually face criminal charges. According to Marcie Moriarty, general manager for cruelty investigations with the BC SPCA, it is actually legal to shoot an animal if it dies instantly. But the report seems to demonstrate that these dogs did not instantly die, and thus SPCA plans to now dig up the mass grave to determine if there is substantial evidence for a criminal investigation.

These 100 dogs were used for human entertainment, and were then murdered when humans were no longer entertained by them. While this story is horrific, similar events happen regularly - many race horses are slaughtered once past their prime, and up to 4 million pets are killed in shelters each year, often due to bored or unprepared owners abandoning them.

As for the inhumane slaughter of these dogs, farm animals are frequently tortured and killed for human consumption. The murder of these 100 dogs is not unique, and animal slaughter is often performed in the name of human interests.

What do you think? Is it okay to use and then dispose of animals for human sport or consumption?