The Russian Economy Ministry said on Monday those accusations were unfounded.
The ministry said in an emailed statement that "representatives of the Russian Federation voiced their categorical disagreement with the EU position" at a meeting of the WTO's dispute settlement body on Jan. 3.
It had agreed to comply by Dec. 6.
Moscow imposed a ban on most Western food imports in August 2014 in retaliation against Western sanctions over its actions in Ukraine. It imposed the pig and pork ban after a few cases of African swine fever in some parts of the EU that year.
($1 = 0.8342 euros)
(Reporting by Jack Stubbs; Editing by Edmund Blair)
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