The Yellow Pages Association 's research shows summer as the best time for the pet industry as its "Pet Supplies & Foods" heading sees peak usage in August, according to a press release from the association.

The heading sees about 23 million references annually. The consumers searching for petfood (22%) were usually looking for specialty dog food, such as biscuits or bones with no meat by-products.

"A good rule of thumb is any trend in human foods will be reflected fairly quickly in petfoods, such as natural options and vitamin supplements," said Bob Vetere, president of American Pet Products Association .