00333nam a2200109Ia 450000500170000000800410001702000150005805000180007324500480009126000450013965000390018420251229084831.0251229s9999    xx            000 0 und d  a0444427317  aRA 581.5 .A54 0aAnimal production and environmental health.  aAmsterdamb  Elsevier Science Pub.c1987  aAnimal Culture - Hygienic Aspects.