1. Faculty of Fisheries and Protection of Waters; South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses; University of South Bohemia in Ceske Budejovice; Vodnany Czech Republic
2. Department of Molecular Science; Swedish University of Agricultural Sciences; Uppsala Sweden
3. Department of Food Science; Aarhus University; Foulum Denmark
4. Pig Breeding Institute of Ukrainian Academy Agrarian Sciences; Poltava Ukraine