Iams chose to name this new formula "Eukanuba", a term originated by jazz era personality Hoagy Carmichael, meaning "the tops" or "something supreme".

[dubious – discuss] In 1973 during the Arab oil embargo, the costs for meat and bone meal tripled.

[5][10] In its largest divestiture in five years, Procter & Gamble announced in April 2014 that it would sell Iams worldwide, Eukanuba and Natura pet-food brands in all markets except Europe to for Mars, Inc. $2.9 billion in cash.

P&G also exercised options to acquire Mars's pet-food business in some parts of Asia Pacific, Middle East and Africa, including Australia, Japan and Singapore.

[12][13] Procter & Gamble sold its European pet-care business to Spectrum Brands in December 2014.