The dog was a Tibetan Mastiff picked up in the middle of a busy intersection, covered with over thirty pounds of excess ...

After Reggie's matted fur was shaved off, the AHS said the pup "weighed in at more than a pound lighter" than the original 13 lbs. he was listed as when he first arrived.

In addition to pain, matted fur can also cause skin infection and bacteria growth. Overgrown fur can even cut off circulation and cause tissue necrosis, according to 24 Hour Dog Daycare.

Related: Stray Dog with Fur Matted 'So Bad' That Rescuers Couldn't Tell If He 'Had Two Eyes' Gets Makeover OTAT rang in the new year by celebrating 17 years of service, plus over 12,000 lives ...