[1] Univ Debrecen, Fac Agr & Food Sci & Environm Management, Dept Anim Nutr & Physiol, Boszormeny St 138, H-4032 Debrecen, Hungary
[2] Univ Debrecen, Doctoral Sch Anim Sci, H-4032 Debrecen, Hungary
[3] Hungarian Univ Agr & Life Sci, Inst Anim Sci, Dept Prec Livestock Farming & Anim Biotech, Kaposvar Campus,Guba Sandor St 40, H-7400 Kaposvar, Hungary
[4] Hungarian Univ Agr & Life Sci, Inst Hort Sci, Buda Campus,Villany St 29-43, H-1118 Budapest, Hungary
[5] Hungarian Univ Agr & Life Sci, Festet Gyorgy Doctoral Sch, Deak Ferenc St 16, H-8360 Keszthely, Hungary