Although the DOC had dismissed the countervail investigation, having found no evidence of illegal subsidies, it had determined Canadian pigs were sold into the U.S. at prices below their cost of production and imposed a range of duties on the imports, including an “all others rate” which took in the majority of Canadian pigs shipped south.
The matter concluded with the ITC's final injury determination, in which it ruled the imported Canadian swine had not caused harm and did not threaten to cause harm to American producers and ordered the tariffs revoked and duties already collected refunded.
http://www.farmscape.com/f2ShowScript.aspx?i=21834&q=Canadian+Swine+Producers+Focus+on+Building+Stronger+Alliances+to+Smooth+Canada+U.S.+Trade+Relations
Note: http://www.farmscape.co...

I guess the amount quibbled over is less than the approx. $4 billion and counting) in the Softwood Lumber dispute. Condi Rice would have called this "minor".