Fifi before & after (Courtesy PDSA)
Fifi nearly starved as a kitten, so as an adult cat she ate at every opportunity. She started the Pet Fit Club weighing 20.5 pounds, but so far she’s lost more than 4 pounds and is down to 16.1.

These 14 animals are the 'Biggest Losers' of the pet world

10/6/2012

The 14 pets in the gallery above deserve a major shout-out for transforming themselves from pudgy pups, fat cats and blubbery bunnies into svelte creatures with slimmer, sleeker silhouettes. How did they do it? The tubby animals joined Pet Fit Club, a six-month weight loss program sponsored by British veterinary charity PDSA — a kind of four-legged version of “The Biggest Loser.” And the winner is ... Jack the King Charles spaniel. At a massive 45 pounds, walking to his food bowl was a struggle, but he’s dropped an astounding 14 pounds and eight inches from his tummy; cue image of Jack holding up enormous doggie jeans. Click through these before and after pics, and behold the miracle of diet and exercise. [Source]

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