1. Aquaculture Center São Paulo State University – UNESP Jaboticabal SP Brazil
2. School of Agricultural, Engineering and Environmental Sciences University of KwaZulu–Natal Pietermaritzburg South Africa
3. Department of Veterinary Medicine Brazil University – Univ. Brasil Fernandópolis Brazil
4. Department of Animal Science Faculty of Agricultural and Veterinary Sciences São Paulo State University – UNESP Jaboticabal SP Brazil