The livestock industry is a major user of U.S. biotech crops.  Crop Biotechnology: Feeds for Livestock is a six-page publication that discusses the safety of biotech crops for animals and the future of biotech crops for the livestock industry.  Additional peer-reviewed references for this article are available.

This paper on Identity Preservation and Labeling of Genetically Modified Products: System Design and Enforcement Issues analyzes economic issues that arise in devising a credible and enforceable system of identity preservation and labeling for genetically modified and non-genetically modified products.

The United States accounts for two-thirds of bioengineered crops produced globally. International Approaches to the Labeling of Genetically Modified Foods discusses international approaches to GM labeling and to sheds some light on why the approaches vary so much across nations.

The Labeling Regulations and Segregation of First- and Second-Generation Genetically Modified Products: Innovation Incentives and Welfare Effects reviews issues and results on the economic effects of genetically modified product innovation, with emphasis on the question of labeling and the need for costly segregation and identity preservation activities.