Results of Parasitological Monitoring of Beef Cattle Herds in the Czech Republic, With First Description of the Occurrence of Invasive Rumen Fluke Calicophoron daubneyi in Beef Her... oleh David Modrý, Barbora Červená, Barbora Pafčo, Ilona Pšenková, Kamil Malát, Jana Ježková, Petr Václavek