US livestock agriculture hasdeveloped and intensified according to a strictproductionist model that emphasizes industrialefficiency. Sustainability problems associatedwith this model have become increasinglyevident and more contested. Traditionalapproaches to promoting sustainable agriculturehave emphasized education and outreach toencourage on-farm adoption of alternativeproduction systems. Such efforts build on anunderlying assumption that farmers areempowered to make decisions regarding theorganization and management of theiroperations. However, as vertical coordinationin agriculture continues, especially in theanimal agriculture sectors, this assumptionbecomes less valid. This paper examines how thechanging industrial structure in four USlivestock sectors (poultry, hogs, beef, anddairy) affects possibilities in each forpromoting more sustainable productionpractices. Comparisons between the sectors arebased on the relative ability to employ anintensive pasture or alternative (deep-bedded)housing system, which are widely seen assustainable livestock alternatives. While thehighly integrated poultry sector appearsimpregnable to traditional sustainableagriculture approaches, the cow-calf sub-sectorof the beef industry, non-feedlot dairyoperations, and small parts of the hogindustry, especially in the Midwest, stillretain some potential for effectively targetingthe farmer. Building on the presentation ofbarriers and opportunities in the fourlivestock sectors, the paper concludes byevaluating several structurally-orientedapproaches to promoting a more sustainablelivestock agriculture that should complementmore traditional approaches. They includedeveloping alternative coordinated networks inlivestock agriculture, pressing integrators topermit more sustainable production practices,and working for legislation that shifts moredecision-making within integrated systemstowards growers.