A long-time representative of the hunters' lobby, in the 1990 regional election Berlato was elected to the Regional Council of Veneto for the Hunting Fishing Environment list (Lista Caccia Pesca Ambiente), which under his leadership gained 1.5% of the votes and 1 seat in Province of Vicenza.
[1][2] Re-elected in 1995 for National Alliance (Alleanza Nazionale)[1] as regional councilor from the Vicenza's constituency, Berlato was appointed Minister of Agricolture in Galan I Government until 19 July 1999 when he resigned because in June 1999[3] he became MEP for the first time.
[4] In 1999, 2004 and 2009 Berlato was thrice elected[5] to the European Parliament (for National Alliance in 1999 and 2004, for its successor The People of Freedom in 2009).
[6] In late 2013 when The People of Freedom (Il Popolo della Libertà) was dissolved Berlato became a member of Forza Italia, but after some disputes with Berlusconi[7] he left the party in 2014 and he run for re-election in the 2014 EP election with the Giorgia Meloni's Brothers of Italy (Fratelli d'Italia), but that party failed to pass the 4.00% electoral threshold at national level and Berlato lose his seat.
In the 2019 EP election[8] he was candidate for North-East Italy with the Meloni's party[8] associated with European Conservatives and Reformists (ECR), but Berlato took his seat only after Brexit.