Fishery Trebon is the largest producer of freshwater fish in the Czech Republic and Europe (share in total fish production makes up about 15%). The company manages 8086 hectares of ponds (488 ponds), which in its possession is a 1343 hactares, leasing from cities, municipalities and private owners the remaining areas. The annual fish production is about 3.2 thousand tons, of which 90% is carp and 10% otehr fish species.