Authors
Vladimír Langraf
Constantine the Philosopher University in Nitra, Faculty of Natural Sciences and Informatics, Department of Zoology and Anthropology, Nitra, Slovak Republic
Kornélia Petrovičová
Slovak University of Agriculture in Nitra, Faculty of Agrobiology and Food Resources, Nitra, Slovak Republic
Stanislav David
Constantine the Philosopher University in Nitra, Faculty of Natural Sciences and Informatics, Department of Ecology and Environmental Sciences, Nitra, Slovak Republic
Viktor Brygadyrenko
Oles Honchar Dnipro National University, Faculty of Biology and Ecology, Department of Zoology and Ecology, Dnipro, Ukraine
Dnipro State Agrarian and Economic University, Faculty of Veterinary, Department of Normal and Patological Anatomy of Farm Animal, Dnipro, Ukraine