1. University of Trás-os-Montes and Alto Douro, Veterinary Science Department, Vila Real, Portugal
2. Center of Studies of Animal and Veterinary Sciences, Vila Real, Portugal
3. Biochemistry and Molecular Biology Unit, University of La Rioja, Logroño, Spain
4. University of Trás-os-Montes and Alto Douro, Department of Genetics and Biotechnology, Vila Real, Portugal
5. Institute for Biotechnology and Bioengineering, Center of Genetics and Biotechnology, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal