Process-based trade rules are a slippery slope since perceptions of efficacy can vary greatly. Since global fisheries are being depleted at a rapid rate, the WTO has spent many years fruitlessly pursuing an agreement to eliminate subsidies for certain forms of fishing, albeit with exemptions for developing countries. Fish meal contributes to over-fishing by allowing by-catch to serve as further economic inventive for indiscriminate haul-in.  Certain species of farmed fish will not tolerate vegetable-based protein and require fish meal but almost half the fish meal production goes to animal feed and even fertilizer. Since amino acid structures can be adapted to most livestock and a substantial amount of fish farming, fish meal is unnec...