Parasites Diseases 54 Fishes 46 Domestic animals 32 Parasitology 32 Veterinary parasitology 27 Control 24 more ... Parasitic diseases 21 Congresses 20 Insects 19 Medical parasitology 16 Parasitic Diseases 16 Dogs 14 Sheep 14 Cats 13 Host-parasite relationships 13 Biological control 12 Parasitic Diseases, Animal 12 Parasitism 12 Physiology 12 Birds 11 Case studies 11 Cattle 11 Nematoda 11 Classification 10 Identification 10 Ecology 8 Goats 8 Protozoa, Pathogenic 8 Handbooks, manuals, etc 7 less ...