. >> reporter: cayuga milk ingredies was opened in large part as an export facility.about half of the milk they process is sold outside of the united states. >> if you're using a manulated system in a free market society you shouldn't have the ability to compete, so that's what makes me angry. it's not the loss of the u.s. sales into canada. i'd say, good on them. but now you can't export. keep your milk in canada. they can do what they want inside canada, but they can' export and dump it. they're dumping it. >> reporter: it's theseur stru surpluses that seem to be causing the greatest amount of anxiety amongst u.s. processors. >> exactly >> reporter: why? >> the u.s. in the last three, creasefive years, they in a lot their production, but by doing this, they are catch with a surplus-- with a problem of surplus and that's why they are looking to our market. >> reporter: they called it dumping.a is canmping its skim milk powder on the world market? >> no. for sure. ther- - there's nere's no basis for us to-- to do that. >> reporter: so canada blames the u.s. for creati