SWNS_FAT_DOG_18_9ebGF2Z.jpg Image by: Patty Stanton

An obese Chihuahua who could barely move has shed more than half her body weight after ditching her indulgent diet.

Bertha tipped the scales at 13lbs when she was handed in to Muttville Senior Dog Rescue in San Francisco after her owner passed away.

The 11-year-old pooch was more than three times the recommended weight for a Chihuahua and could barely carry the massive weight on her tiny legs.

She was adopted by Allison Hackett, 35, in August 2017, who knew she could help the dog slim down and lead a happier life with a calorie-controlled diet.

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