[AOAC (1990). Official Methods of Analysis of the Association of Official Analytical Chemists, 15th ed., Arlington.]Search in Google Scholar
[Arctic Fox Standard (1999). Central Animal Breeding Office, Warszawa.]Search in Google Scholar
[Bieguszewski H., Gruda-Śmigiel M., Wislopolski A. (1979). The effect of supplementing protein-deficient diets with methionine and lysine on body weight, nutrient digestibility and selected blood parameters in Arctic foxes (in Polish). Zesz. Nauk. ATR Bydgoszcz, Zoot., 5: 280-284.]Search in Google Scholar
[Dahlman T., Valaja J., Niemela P., Jalava T. (2002). Influence of protein level and supplementary L-methionine and lysine on growth performance and fur quality of blue fox (Alopex lagopus). Acta Agr. Scand. A-An., 52: 174-182.]Search in Google Scholar
[Dahlman T., Valaja J., Jalava T., Skrede A. (2003). Growth and fur characteristics of blue fox (Alopex lagopus) fed diets with different protein levels and with or without DL-methionine supplementation in the growing-furring period. Canadian J. Anim. Sci., 83 (2): 239-245.]Search in Google Scholar
[Dahlman T., Valaja J., Venalainen E., Jalava T., Palonen I. (2004). Optimum dietary amino acid pattern and limiting order of some essential amino acids for growing-furring blue foxes (Alopex lagopus). Anim. Sci., 78 (1): 77-86.]Search in Google Scholar
[Fau D., Morris J. G., Rogers Q. R. (1987). Effects of high dietary methionine on activities of selected enzymes in the liver of kittens (Felis domesticus). Comp. Biochem. Phys., 88 (2): 551-555.]Search in Google Scholar
[Kopczewski A., Bis-Wencel B., Saba L., Sławoń J., Ondrasovic M., Wnuk W. (2002). Effects of varying levels of feeding high-energy diets and antioxidants on serum biochemical parameters in the Arctic fox. Vet. Med., 58: 616-619.]Search in Google Scholar
[Kubacki P. (2000). A comparison of selected performance traits of R1 and R2 Arctic foxes (Alopex lagopus) produced by mating Polish females with males imported from Finland (in Polish). Zesz. Nauk. Prz. Hod., 53: 73-78.]Search in Google Scholar
[Kubacki P. (2002). Body weight characteristics of Arctic foxes (Alopex lagopus L.) of different genotypes (in Polish). Zesz. Nauk. Prz. Hod., 64: 103-110.]Search in Google Scholar
[Lorek M. O., Gugołek A., Hartman A. (2002 a). Effect of feeding pellets to Arctic foxes on their performance and selected morphological-biochemical blood indices. Czech J. Anim. Sci., 47 (8): 333-338.]Search in Google Scholar
[Lorek M. O., Hartman A., Gugołek A. (2002 b). The effect of dietary amino acid levels on the performance traits of Arctic foxes (in Polish). Zesz. Nauk. Prz. Hod., 64: 111-118.]Search in Google Scholar
[Lorek M. O., Hartman A., Gugołek A., Matusevicius P. (2005). Effects of synthetic amino acids on morphological and biochemical blood parameters and health status of Arctic foxes. Vet. Zootec., 30 (52): 54-59.]Search in Google Scholar
[Matusevicius P., Januskievicius A., Gugołek A., Zilinskiene A. (2004). The effect of use of synthetic methionine in foxes (Alopex logopus L.). Vet. Zootec., 25 (47): 71-75.]Search in Google Scholar
[Peuria J., Standen J., Mantysaaria E. A. (2005). Genetic parameters in Finnish blue fox population: Pelt characters and live animal grading traits. Acta Agr. Scand. A-An., 55 (4): 137-144.]Search in Google Scholar
[Przysiecki P., Nowicki S., Nawrocki Z., Pawlak F., Potkański A. (2003/2004). The effect of diet supplementation with synthetic methionine on selected performance traits and fur quality of Arctic foxes (in Polish). Rocz. Nauk. AR Poznań, 55: 3-10.]Search in Google Scholar
[Rajs R., Bednarek T. (1994). The effect of vitamin B12 injections and dietary methionine supplementation on serum vitamin B12 levels and body conformation in Arctic foxes (in Polish). Zesz. Nauk. Prz. Hod., 15: 83-89.]Search in Google Scholar
[Rana S. V. S., Chauhan A. (2000). Influence of methionine and zinc on liver collagen in molybdenotic rats. Relationship with lipid peroxidation. Biol. Trace Elem. Res., 73 (1): 85-91.]Search in Google Scholar
[Saba L., Likos-Grzesiak B., Nowakowicz-Dębek B., Bis-Wencel H., Martyna J., Wnuk W. (2008). Effect of synthetic antioxidant on biochemical indices in blood of Arctic fox (Alopex lagopus). Ann. UMCS, Sec. EE, XXVI (3): 3-18.]Search in Google Scholar
[Valkosalo K. (1987). Fins blavaev i syperformat. Dansk Pelsdyraval., 10: 759-761.]Search in Google Scholar
[Zoń A., Sławoń J., Bielański P., Zając J., Piórkowska M. (2000). The effect of feeding regime on fur quality in blue foxes (in Polish). Rocz. Nauk. Zoot., Supl., 6: 314-317.]Search in Google Scholar
