Cooke Aquaculture parent company Cooke Inc. has officially acquired oil and protein ingredient company Omega Protein for a price of $22 (€18.8) per share.

The transaction is valued at approximately $500 million (€427 million), the company said, adding the price represents a premium of 32.5 percent to Omega Protein's closing share price on Oct. 5.

"We are very pleased to sign this agreement with Omega Protein," said Glenn Cooke, CEO of Cooke.

"Omega Protein will provide us with another platform in Cooke's growth strategy through further diversification in the supply side of the business."