McDonald's Canada continues its bizarre transparency quest with a video that shows us how the chain's burgers get made. This video appears to be a direct result of being asked over and over again whether the burgers are washed in ammonia, or the result of a whole cow being chucked into a meat grinder, bones and all. We didn't make these questions up, we promise.

It's worth noting that Supply Chain SVP Dan Kroll, the lucky guy picked to shoot a video in a Cargill meat processing plant, does not reference the quality or provenance of the beef. McDonald's just wants you to know that beef is all that goes into these things.

This meat-processing footage is not particularly appetizing, but at least things look clean and orderly.

McDonald's Canada has continued to hit this transparency campaign hard, even tackling the urban legend that a McDonald's burger left out for days will never rot. The short answer is that a McDonald's burger will only rot under certain conditions because food needs moisture to rot.

Does this make us want to eat a hamburger right now? No. But it does make us feel less like McDonald's is pumping its burgers full of preservatives. Business Insider reminded us of A Hamburger Today's experiment, which proves that under certain conditions, even a homemade hamburger will never decompose.

The questions really just keep coming on Our Food. Your Questions. (McDonald's Canada's ask-us-anything PR site). One of our favorites so far comes from Jamie G. of Abbotsford, BC who asked, "Is it true your meat is made from prehistoric dinosaurs?"

McDonald's proved that they will literally answer any question you ask them by saying:

Hi Jamie. The last of the dinosaurs became extinct approximately 65 million years ago. The first McDonald's restaurant opened in 1955. We prefer to serve meat far fresher than that.

We have to admit that their PR peoples' sense of humor is growing on us. Is anyone else wondering when McDonald's U.S. is going to step up to the plate?

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  • 10: Chick-fil-A, $4,051,000,000

    Although Chick-fil-A has recently found itself <a href="" target="_hplink">embroiled in social controversy</a>, it managed to make the top ten in 2011.

  • 9: KFC, $4,500,000,000

    Although KFC lost 275 locations last year, they still managed to remain in the top ten in 2011.

  • 8: Pizza Hut, $5,500,000,000

    Pizza Hut came out on top in a <a href="" target="_hplink">study on ad effectiveness in 2011</a>. An ad for the chain's Ultimate Stuffed Crust Pizza made consumers the hungriest.

  • 7: Dunkin' Donuts, $6,500,000,000

    With 115 new locations, Dunkin' Donuts had the second largest location growth in 2011 (beaten by Subway by an insane margin -- they opened 872 new locations).

  • 6: Taco Bell, $7,000,000,000

    Taco Bell's 2011 started out turbulently, with a well-publicized lawsuit surrounding the content of their beef. They counteracted the suit with (among other measures) <a href="" target="_hplink">full page ads in the <em>New York Times</em> defending their meat</a>, managing to right the ship and have a great year -- even before the launch of this year's famous <a href="" target="_hplink">Doritos Loco Taco</a>.

  • 5: Burger King, $8,400,000,000

    Burger King hopped on the avocado band wagon last year, which was only one of many changes the chain underwent, including the <a href="" target="_hplink">dethroning of their mascot, The King</a>.

  • 4: Wendy's, $8,500,000,000

    It seemed likely that <a href="" target="_hplink">Wendy's would dethrone Burger King to become the second biggest burger chain in the U.S.</a> -- and it turns out, they totally did.

  • 3: Starbucks, $9,750,000,000

    Starbucks closed the most locations of any of the chains in the top ten last year, shuttering 310 locations. In 2011 the chain also <a href="" target="_hplink">rolled out its insane, 31oz Trenta size</a>.

  • 2: Subway, $11,400,000,000

    Subway was recently crowned both <a href="" target="_hplink">America's favorite fast food restaurant</a> and its <a href="" target="_hplink">biggest chain</a>. Opening 872 new locations in 2011, their total number of U.S. locations rose to 24,722, nearly beating McDonald's and Starbucks combined.

  • 1: McDonald's, $34,172,000,000

    Well, no surprise here, right? While no longer the largest fast food chain in America, McDonald's is surely the most successful -- their 2011 U.S. revenue beats Subway and Starbucks' totals combined. A recent American Consumer Satisfaction Index survey revealed that the chain is, however, <a href="" target="_hplink">at the bottom in terms of customer satisfaction</a>, so McDonald's may not reign forever.