Agriculture 52 Veterinary medicine 42 Veterinary Medicine 40 Research 29 Plant diseases 21 Diergeneeskunde 17 Zeitschrift 17 Diseases 13 Fisheries 13 Me ́decine ve ́te ́rinaire 13 Animal Diseases 12 Forests and forestry 12 Aquaculture 11 Plantes 11 Horticulture 10 Maladies et fle ́aux 10 Animal culture 9 Control 9 Domestic animals 9 Livestock 9 Plant Diseases 9 Publications pe ́riodiques 9 Agricultural engineering 8 Animals, Domestic 8 Plant breeding 8 Plantenziekten 8 Soil science 8 Agricultural pests 7 Agronomy 7 Animals 7