European farmers have been campaigning against the deal.
Farm leaders from across Europe are stepping up their campaign against the EU - Mercosur trade deal.
IFA President, and Ballinakill man, Francie Gorman was among several farm leaders from across Europe who met in Brussels over the weekend.
The EU Commission President, Ursula Von Der Leyen, officially agreed a trade deal with the Mercosur countries in South America, in Uruguay on Friday.
Chair of the IFA National Livestock Committee, and from Borris in Ossory, Declan Hanrahan, says a letter has been sent to EU offices voicing Irish farmers' opposition to the deal: