If you could peer into the cupboards of every U.S. household, you’d find Campbell’s soup in 100 million of them (that’s 80 percent, by the way). Want that picture on a per-can basis? Each year Campbell’s sells 2 billion of them.
For all the wonders that 21st century technology has brought to the world of packaged foods—for people and pets alike—there’s one nut that’s proven perennially tough to crack: Appraising the taste of cat food. Just like any good brand, cat-food manufacturers sink no shortage of time and effort into R&D.