[Hygienic problems of mass calf rearing].
D000388:Air / Q000032:analysis; D000641:Ammonia / Q000032:analysis; D000821:Animal Feed; D000818:Animals; D001835:Body Weight; D001947:Breeding; D002417:Cattle; D006813:Humidity; D006920:Hygiene; D009026:Mortality; D013696:Temperature; D014691:Ventilation
D000641:Ammonia
Die hygienische Problematik der Kälberaufzucht in Massentierbeständen.