There have been frequent discussions on boards regarding fish meal transported at sea being required to add ethoxyquin:
http://www.woodhavenlabs.com/fishmeal.html (scroll to the bottom of the page to see where its addition is required)
http://www.newlife.ipbhost.com/forums/index.php?showtopic=337
BUT, some dog food companies have said that that doesn't apply to the fish meal in their dog food.
Some fish meal *might* be preserved with something new called "Naturox" (Natural Mixed Tocopherols, Silicon Dioxide, Citric Acid, Vegetable Oil, Rosemary Extract.), but it's really not clear to me.
http://www.woodhavenlabs.com/fishmeal.html (scroll to the bottom of the page to see where its addition is required)
http://www.newlife.ipbhost.com/forums/index.php?showtopic=337
BUT, some dog food companies have said that that doesn't apply to the fish meal in their dog food.
Some fish meal *might* be preserved with something new called "Naturox" (Natural Mixed Tocopherols, Silicon Dioxide, Citric Acid, Vegetable Oil, Rosemary Extract.), but it's really not clear to me.