Rutherford has written letters of protest to the fund and to Bruce Eberle, a direct-mail fund raiser working for the fund.

CNN: Now It's Her Turn

"This is one of the larger recalls that have happened, " Eberle said.

CNN: No further egg recalls expected, feds say

"The elementary teacher in general does not have deep background in science, " said Francis Eberle, executive director of the National Science Teachers Association.

CNN: Subject Matters: Science has an image problem

Krista Eberle, director of food safety programs at the Egg Safety Center, reiterated that only shell eggs are affected by the Wright County recall.

CNN: STORY HIGHLIGHTS

"From what we know they only do shell eggs, and if they did extra egg products, they are still considered to be safe, " Eberle said.

CNN: STORY HIGHLIGHTS

There has been a decline in the time that elementary teachers spend on science over the past six years under the No Child Left Behind law, Eberle said.

CNN: Subject Matters: Science has an image problem

While the recall involves hundreds of millions of eggs, they represent less than 1 percent of the 80 billion eggs produced in the United States each year, said Krista Eberle, director of the food safety program at the Egg Safety Center, a trade association entity.

CNN: No further egg recalls expected, feds say