1 Parasitology Division, National Veterinary Research Institute, P.M.B 01, Vom, Plateau State, Nigeria.
2 Department of Biology and Wildlife Diseases, Faculty of Veterinary Hygiene and Ecology, University of Veterinary Sciences Brno, Palackého tř. 1946/1, 61242, Brno, Czech Republic. bartovae@vfu.cz.
3 Department of Biology and Wildlife Diseases, Faculty of Veterinary Hygiene and Ecology, University of Veterinary Sciences Brno, Palackého tř. 1946/1, 61242, Brno, Czech Republic.
4 Department of Mathematics and Statistics, Faculty of Science, Masaryk University, Kotlářská 267/2, 61137, Brno, Czech Republic.
5 State Veterinary Institute Prague, Sídlištní 136/24, 165 03, Prague 6, Czech Republic.