%0 Journal Article %9 journal article %J Journal of Animal and Feed Sciences %@ 1230-1388 %V 16 %N 4 %D 2007 %F 66828 %T Contents, Volume 16, No. 1–4, 2007 %P 715-726 %U http://www.jafs.com.pl/Contents-Volume-16-No-1-4-2007,66828,0,2.html