1. Institute of Animal Rearing Technologies, Veterinary Academy, Lithuanian University of Health Sciences, Kaunas, Lithuania
2. Institute of Animal Science, Lithuanian University of Health Sciences, Baisogala, Lithuania
3. Dr. L. Kriaučeliūnas Small Animal Clinic, Veterinary Academy, Lithuanian University of Health Sciences, Kaunas, Lithuania
4. Department of Veterinary Pathobiology, Veterinary Academy, Lithuanian University of Health Sciences, Kaunas, Lithuania