Mexico introduced a 16 percent tax on processed petfood on January 1. The tax will be applied at the retail level.
In proposing the tax, government officials called pet ownership a "recreational activity," not a basic need.
The tax will not apply to feed for horses, because the government is exempting livestock feed in an effort to support the agricultural sector of the economy.
By Lindsay Beaton
As work continues on creating a new nutrition label that focuses on simplifying information for consumers, challenges remain.
By Tang Yu