[Changes in parasitic flora in large herds].
D000821:Animal Feed; D000818:Animals; D000890:Anti-Infective Agents / Q000494:pharmacology; D001947:Breeding; D002645:Chickens; D007422:Intestines / Q000382:microbiology*; D010271:Parasites / Q000187:drug effects
D000890:Anti-Infective Agents
Anderung der Parasitenbesiedlung in Massentierbeständen.