TY - JOUR JO - Journal of Animal and Feed Sciences J2 - J. Anim. Feed Sci. SN - 1230-1388 VL - 10 IS - 4 PY - 2001 ID - 68023 TI - Contents, Volume 10, No. 1–4, 2001 SP - 723 EP - 733 DA - 2001 UR - http://www.jafs.com.pl/Contents-Volume-10-No-1-4-2001,68023,0,2.html ER -