From Meedeeaters World News Headquarters in Bozeman, Montana.

This is Cal's weekend review with Ryan, Cal-C-C-C-An.

Now, here's Cal.

Why is your Labrador retriever so fat?

I ask with snort laying here at my feet.

Uh, snort's been real, real lazy, not by her choice this week.

Just been busy. Anyway, you may have asked yourself a time or two and you see a Labrador that resembles a potato

walking down the street, an overstuffed sausage, as I call them sometimes?

Sossages.

Is it the fact that that owner needs to be committed to more walks, fewer table scraps,

more time at the dog park? Probably, you should do all of those things, but a new study

has found something all dogs and dog owners want to hear.

It may not be your fault.

The study, published in the journal Science Advances found that

about 25% of all Labrador Retriever dogs are hardwired to be fat. These

unfortunate canines have a genetic mutation that makes them hungrier between meals

and gives them a slower metabolism.

They don't need as many calories as other dogs, but they tend to overheat because they appear

to be hungrier if they haven't eaten in a while.

To get the minds of our favorite furry friends,

researchers fed 87 adult pet labradors a standard breakfast.

Then three hours later, they were given a plastic box with a sausage inside.

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