Perdue and Foster Farms say fewer than 1 percent of their chickens are treated with any antibiotics because of illnesses.

By the 1980s, Foster Farms had many new products to offer, such as bologna, poultry franks and luncheon meats.

Sales tripled between 1975 and 1988; by 1987, Foster Farms was selling about 140 million chickens per year, making it the largest chicken producer in California.

Throughout the 1980s, Foster Farms began to make commercials, with one winning a Clio Award in 1988.

That same year Foster Farms produced over 750 million pounds of poultry and was the second-largest corn dog producer in the United States.

In 2006, Foster Farms and the League agreed to an open shop contract with nominal pay increases.

"New union at Foster Farms wins its election."

"Union member drive under way at Foster Farms plant."

At 11:30 a.m. Osterhaus rode north through a belt of timber onto Foster Farm and witnessed an astonishing sight.

Several weeks later, however, Pilgrim's Pride accepted an $80 million offer from Foster Farms of California to purchase the operations.