| 1794 | Animals (MeSH) |
| 538 | Deer (MeSH) |
| 504 | Female (MeSH) |
| 431 | Ecosystem (MeSH) |
| 423 | Male (MeSH) |
| 324 | Deer (physiology) |
| 320 | Humans (MeSH) |
| 265 | Seasons (MeSH) |
| 186 | Population Dynamics (MeSH) |
| 157 | Ecology (MeSH) |
| 156 | Biodiversity (MeSH) |
| 149 | Phylogeny (MeSH) |
| 142 | Population Density (MeSH) |
| 141 | Deer (parasitology) |
| 132 | Animals, Wild (MeSH) |
| 129 | Deer (genetics) |
| 120 | Conservation of Natural Resources (MeSH) |
| 115 | Predatory Behavior (MeSH) |
| 109 | Forests (MeSH) |
| 96 | Species Specificity (MeSH) |
| 94 | Herbivory (MeSH) |
| 93 | Models, Biological (MeSH) |
| 92 | Reindeer (MeSH) |
| 87 | Deer (microbiology) |
| 84 | Feeding Behavior (MeSH) |
| 83 | Cattle (MeSH) |
| 82 | Endangered Species (MeSH) |
| 74 | Time Factors (MeSH) |
| 74 | Food Chain (MeSH) |
| 71 | Prevalence (MeSH) |
| 68 | Reindeer (physiology) |
| 65 | Genetic Variation (MeSH) |
| 63 | Climate Change (MeSH) |
| 60 | Geography (MeSH) |
| 52 | Introduced Species (MeSH) |
| 50 | Mice (MeSH) |
| 49 | Genotype (MeSH) |
| 48 | Wolves (physiology) |
| 46 | Europe (MeSH) |
| 45 | Environment (MeSH) |
| 45 | Conservation of Natural Resources (methods) |
| 44 | Arctic Regions (MeSH) |
| 43 | Wolves (MeSH) |
| 43 | RNA, Ribosomal, 16S (genetics) |
| 43 | Pregnancy (MeSH) |
| 43 | Climate (MeSH) |
| 43 | Bayes Theorem (MeSH) |
| 42 | Tick Infestations (veterinary) |
| 42 | Sequence Analysis, DNA (MeSH) |
| 42 | Feeding Behavior (physiology) |
| 42 | Diet (MeSH) |
| 41 | Reproduction (MeSH) |
| 41 | Ixodes (microbiology) |
| 41 | Genetics, Population (MeSH) |
| 41 | Animal Migration (MeSH) |
| 40 | Trees (MeSH) |
| 39 | Behavior, Animal (MeSH) |
| 38 | Host-Parasite Interactions (MeSH) |
| 38 | Demography (MeSH) |
| 38 | DNA, Mitochondrial (genetics) |
| 38 | China (MeSH) |
| 37 | Models, Theoretical (MeSH) |
| 37 | Deer (anatomy & histology) |
| 37 | Biological Evolution (MeSH) |
| 36 | Norway (MeSH) |
| 36 | Molecular Sequence Data (MeSH) |
| 34 | Wasting Disease, Chronic (epidemiology) |
| 34 | Plants (MeSH) |
| 33 | Predatory Behavior (physiology) |
| 33 | Deer (growth & development) |
| 33 | Bacteria (genetics) |
| 32 | Tick Infestations (epidemiology) |
| 32 | North America (MeSH) |
| 32 | Lyme Disease (epidemiology) |
| 32 | Deer (metabolism) |
| 32 | Bacteria (classification) |
| 31 | Swine (MeSH) |
| 31 | Soil (MeSH) |
| 31 | Sheep (MeSH) |
| 30 | United States (MeSH) |
| 30 | Temperature (MeSH) |
| 30 | Rumen (microbiology) |
| 30 | Dogs (MeSH) |
| 30 | Animal Distribution (MeSH) |
| 30 | Age Factors (MeSH) |
| 29 | Sweden (MeSH) |
| 29 | Models, Statistical (MeSH) |
| 29 | Mammals (MeSH) |
| 29 | Feces (parasitology) |
| 28 | Microsatellite Repeats (MeSH) |
| 28 | Gastrointestinal Microbiome (MeSH) |
| 28 | Feces (microbiology) |
| 28 | Environmental Monitoring (MeSH) |
| 27 | Fossils (MeSH) |
| 27 | Computer Simulation (MeSH) |
| 27 | Canada (MeSH) |
| 27 | Animals, Wild (parasitology) |
| 26 | Risk Factors (MeSH) |
| 26 | Disease Reservoirs (MeSH) |
| 26 | Deer (virology) |
| 25 | Wyoming (MeSH) |
| 25 | Reindeer (parasitology) |
| 25 | Geographic Information Systems (MeSH) |
| 25 | Deer (classification) |
| 24 | Sex Factors (MeSH) |
| 24 | Movement (MeSH) |
| 23 | Sex Characteristics (MeSH) |
| 23 | Microbiota (MeSH) |
| 23 | Ixodes (physiology) |
| 23 | Body Size (MeSH) |
| 22 | Ixodes (MeSH) |
| 22 | Feces (chemistry) |
| 22 | California (MeSH) |
| 22 | Birds (MeSH) |
| 21 | Spain (MeSH) |
| 21 | Russia (MeSH) |
| 21 | Reproduction (physiology) |
| 21 | Reindeer (genetics) |
| 21 | Polymerase Chain Reaction (MeSH) |
| 21 | Florida (MeSH) |
| 21 | Animals, Wild (microbiology) |
| 21 | Animal Migration (physiology) |
| 20 | Weather (MeSH) |
| 20 | Sus scrofa (MeSH) |
| 20 | Risk Assessment (MeSH) |
| 20 | Mammals (physiology) |
| 20 | Lyme Disease (transmission) |
| 20 | Japan (MeSH) |
| 20 | Diet (veterinary) |
| 20 | Carnivora (MeSH) |
| 19 | Ruminants (MeSH) |
| 19 | Linear Models (MeSH) |
| 19 | Horses (MeSH) |
| 19 | Behavior, Animal (physiology) |
| 19 | Alleles (MeSH) |
| 18 | Ursidae (MeSH) |
| 18 | Tick Infestations (parasitology) |
| 18 | Snow (MeSH) |
| 18 | Selection, Genetic (MeSH) |
| 18 | Rodentia (MeSH) |
| 18 | Rats (MeSH) |
| 18 | Polymorphism, Single Nucleotide (MeSH) |
| 18 | Polymorphism, Genetic (MeSH) |
| 18 | Phenotype (MeSH) |
| 18 | Peromyscus (genetics) |
| 18 | Parks, Recreational (MeSH) |
| 18 | Ixodes (growth & development) |
| 18 | Italy (MeSH) |
| 18 | Biomass (MeSH) |
| 18 | Animal Feed (MeSH) |
| 17 | Svalbard (MeSH) |
| 17 | Social Behavior (MeSH) |
| 17 | Homing Behavior (MeSH) |
| 17 | Haplotypes (MeSH) |
| 17 | Feces (MeSH) |
| 17 | DNA, Bacterial (genetics) |
| 17 | Base Sequence (MeSH) |
| 17 | Bacteria (isolation & purification) |
| 17 | Animal Husbandry (MeSH) |
| 16 | Ticks (MeSH) |
| 16 | Peromyscus (physiology) |
| 16 | Microsatellite Repeats (genetics) |
| 16 | Incidence (MeSH) |
| 16 | Human Activities (MeSH) |
| 16 | Host Specificity (MeSH) |
| 16 | Fires (MeSH) |
| 16 | Evolution, Molecular (MeSH) |
| 16 | Ecology (methods) |
| 16 | Disease Reservoirs (veterinary) |
| 15 | Zoonoses (MeSH) |
| 15 | Wasting Disease, Chronic (genetics) |
| 15 | Ticks (microbiology) |
| 15 | Sexual Behavior, Animal (MeSH) |
| 15 | Seroepidemiologic Studies (MeSH) |
| 15 | Rodent Diseases (epidemiology) |
| 15 | Peromyscus (MeSH) |
| 15 | Nematode Infections (veterinary) |
| 15 | India (MeSH) |
| 15 | Goats (MeSH) |
| 15 | Gene Frequency (MeSH) |
| 15 | Foxes (MeSH) |
| 15 | DNA, Ribosomal (genetics) |
| 15 | Cattle Diseases (epidemiology) |
| 15 | Body Weight (MeSH) |
| 15 | Anaplasma phagocytophilum (genetics) |
| 14 | United States (epidemiology) |
| 14 | Siberia (MeSH) |
| 14 | Scotland (MeSH) |
| 14 | Ruminants (parasitology) |
| 14 | Phylogeography (MeSH) |
| 14 | Lyme Disease (microbiology) |
| 14 | Larva (physiology) |
| 14 | Encephalitis, Tick-Borne (epidemiology) |
| 14 | Deer (blood) |
| 14 | Cluster Analysis (MeSH) |
| 14 | Cats (MeSH) |
| 14 | Artiodactyla (MeSH) |
| 14 | Animals, Newborn (MeSH) |
| 13 | Wasting Disease, Chronic (transmission) |
| 13 | Spain (epidemiology) |
| 13 | Sexual Behavior, Animal (physiology) |
| 13 | Reproducibility of Results (MeSH) |
| 13 | RNA, Ribosomal, 18S (genetics) |
| 13 | Lynx (MeSH) |
| 13 | Finland (MeSH) |
| 13 | Borrelia burgdorferi (MeSH) |
| 13 | Biota (MeSH) |
| 13 | Animals, Wild (physiology) |
| 13 | Animals, Domestic (MeSH) |
| 13 | Anaplasma phagocytophilum (isolation & purification) |
| 12 | Tuberculosis (veterinary) |
| 12 | Trees (physiology) |
| 12 | Strongylida Infections (veterinary) |
| 12 | Reoviridae Infections (veterinary) |
| 12 | Reindeer (microbiology) |
| 12 | Rain (MeSH) |
| 12 | Rabbits (MeSH) |
| 12 | Prions (genetics) |
| 12 | Population Growth (MeSH) |
| 12 | Plant Development (MeSH) |
| 12 | Nymph (MeSH) |
| 12 | New Zealand (MeSH) |
| 12 | Models, Genetic (MeSH) |
| 12 | Mammals (classification) |
| 12 | Larva (MeSH) |
| 12 | Heterozygote (MeSH) |
| 12 | Extinction, Biological (MeSH) |
| 12 | Environmental Monitoring (methods) |
| 12 | Disease Outbreaks (veterinary) |
| 12 | Altitude (MeSH) |
| 12 | Alberta (MeSH) |
| 12 | Alaska (MeSH) |
| 12 | Aging (physiology) |
| 11 | United Kingdom (MeSH) |
| 11 | Tuberculosis, Bovine (epidemiology) |
| 11 | Tuberculosis (epidemiology) |
| 11 | Texas (MeSH) |
| 11 | Strongylida Infections (parasitology) |
| 11 | Seeds (physiology) |
| 11 | Ruminants (genetics) |
| 11 | Poland (MeSH) |
| 11 | Likelihood Functions (MeSH) |
| 11 | High-Throughput Nucleotide Sequencing (MeSH) |
| 11 | Genome (MeSH) |
| 11 | Gene Flow (MeSH) |
| 11 | Gastrointestinal Microbiome (genetics) |
| 11 | France (MeSH) |
| 11 | Florida (epidemiology) |
| 11 | Farms (MeSH) |
| 11 | Environmental Pollutants (analysis) |
| 11 | Disease Vectors (MeSH) |
| 11 | Colorado (MeSH) |
| 11 | Breeding (MeSH) |
| 10 | Wisconsin (epidemiology) |
| 10 | Wisconsin (MeSH) |
| 10 | Strongylida Infections (epidemiology) |
| 10 | Sciuridae (MeSH) |
| 10 | Ruminants (physiology) |
| 10 | Regression Analysis (MeSH) |
| 10 | Quebec (MeSH) |
| 10 | Probability (MeSH) |
| 10 | Plants (classification) |
| 10 | Peromyscus (parasitology) |
| 10 | Metagenomics (MeSH) |
| 10 | Logistic Models (MeSH) |
| 10 | Ixodidae (physiology) |
| 10 | Islands (MeSH) |
| 10 | Insect Vectors (physiology) |
| 10 | Inbreeding (MeSH) |
| 10 | Host-Pathogen Interactions (MeSH) |
| 10 | Herbivory (physiology) |
| 10 | Grassland (MeSH) |
| 10 | Genomics (MeSH) |
| 10 | Genetic Drift (MeSH) |
| 10 | Environmental Exposure (MeSH) |
| 10 | Ecotype (MeSH) |
| 10 | Diptera (MeSH) |
| 10 | Coyotes (MeSH) |
| 10 | Antlers (MeSH) |
| 10 | Agriculture (MeSH) |
| 10 | Abomasum (parasitology) |
| 9 | Zoonoses (transmission) |
| 9 | Ursidae (physiology) |
| 9 | Tick-Borne Diseases (epidemiology) |
| 9 | Stochastic Processes (MeSH) |
| 9 | Spatio-Temporal Analysis (MeSH) |
| 9 | Spatial Analysis (MeSH) |
| 9 | Soil Microbiology (MeSH) |
| 9 | Software (MeSH) |
| 9 | Seed Dispersal (MeSH) |
| 9 | Risk (MeSH) |
| 9 | Retrospective Studies (MeSH) |
| 9 | Republic of Korea (MeSH) |
| 9 | Polymerase Chain Reaction (methods) |
| 9 | Poland (epidemiology) |
| 9 | Mycobacterium bovis (MeSH) |
| 9 | Meat (analysis) |
| 9 | Longitudinal Studies (MeSH) |
| 9 | Ixodes (virology) |
| 9 | Insect Vectors (virology) |
| 9 | History, Ancient (MeSH) |
| 9 | Germany (MeSH) |
| 9 | Genetic Markers (MeSH) |
| 9 | Forestry (MeSH) |
| 9 | Fertility (MeSH) |
| 9 | Fear (MeSH) |
| 9 | Equidae (MeSH) |
| 9 | Diptera (physiology) |
| 9 | Cities (MeSH) |
| 9 | British Columbia (MeSH) |
| 9 | Borrelia burgdorferi (isolation & purification) |
| 9 | Bone and Bones (chemistry) |
| 9 | Bison (MeSH) |
| 9 | Bacteria (metabolism) |
| 9 | Babesiosis (parasitology) |
| 9 | Argentina (MeSH) |
| 9 | Arachnid Vectors (microbiology) |
| 9 | Antlers (growth & development) |
| 9 | Antibodies, Viral (blood) |
| 9 | Anti-Bacterial Agents (pharmacology) |
| 9 | Animal Nutritional Physiological Phenomena (MeSH) |
| 9 | Analysis of Variance (MeSH) |
| 9 | Aging (MeSH) |
| 9 | Aggression (MeSH) |
| 9 | Adult (MeSH) |
| 8 | Water (MeSH) |
| 8 | Tuberculosis (transmission) |
| 8 | Ticks (classification) |
| 8 | Symbiosis (MeSH) |
| 8 | Sus scrofa (microbiology) |
| 8 | Sex Ratio (MeSH) |
| 8 | Sequence Alignment (MeSH) |
| 8 | Seeds (MeSH) |
| 8 | Rodentia (physiology) |
| 8 | Reoviridae Infections (epidemiology) |
| 8 | Radiation Monitoring (MeSH) |
| 8 | Puma (physiology) |
| 8 | Portugal (MeSH) |
| 8 | Poaceae (MeSH) |
| 8 | Plants (chemistry) |
| 8 | Peromyscus (virology) |
| 8 | Parasites (MeSH) |
| 8 | Nymph (physiology) |
| 8 | New York (MeSH) |
| 8 | Nepal (MeSH) |
| 8 | Montana (MeSH) |
| 8 | Microbiota (genetics) |
| 8 | Mexico (MeSH) |
| 8 | Metagenome (MeSH) |
| 8 | Lynx (physiology) |
| 8 | Lyme Disease (veterinary) |
| 8 | Livestock (MeSH) |
| 8 | Ixodidae (MeSH) |
| 8 | Hydrocortisone (metabolism) |
| 8 | Hybridization, Genetic (MeSH) |
| 8 | Genome, Mitochondrial (MeSH) |
| 8 | Energy Metabolism (MeSH) |
| 8 | Encephalitis, Tick-Borne (transmission) |
| 8 | Encephalitis Viruses, Tick-Borne (genetics) |
| 8 | Electron Transport Complex IV (genetics) |
| 8 | Disease Reservoirs (microbiology) |
| 8 | DNA, Ribosomal (chemistry) |
| 8 | DNA, Bacterial (chemistry) |
| 8 | DNA (isolation & purification) |
| 8 | DNA (genetics) |
| 8 | Colorado (epidemiology) |
| 8 | Brazil (MeSH) |
| 8 | Body Weight (physiology) |
| 8 | Babesiosis (epidemiology) |
| 8 | Babesia (genetics) |
| 8 | Australia (MeSH) |
| 8 | Antlers (physiology) |
| 8 | Antelopes (MeSH) |
| 8 | Animal Feed (analysis) |
| 8 | Animal Diseases (epidemiology) |
| 8 | Adaptation, Physiological (MeSH) |
| 8 | Adaptation, Biological (MeSH) |
| 7 | Zoonoses (epidemiology) |
| 7 | Wildfires (MeSH) |
| 7 | Wasting Disease, Chronic (diagnosis) |
| 7 | Tundra (MeSH) |
| 7 | Trichostrongyloidiasis (veterinary) |
| 7 | Taiga (MeSH) |
| 7 | Spatial Behavior (MeSH) |
| 7 | Soil (chemistry) |
| 7 | Social Dominance (MeSH) |
| 7 | Seedlings (MeSH) |
| 7 | Scotland (epidemiology) |
| 7 | Reindeer (metabolism) |
| 7 | RNA, Viral (genetics) |
| 7 | Q Fever (veterinary) |
| 7 | Prions (metabolism) |
| 7 | Prion Proteins (genetics) |
| 7 | Principal Component Analysis (MeSH) |
| 7 | Polymerase Chain Reaction (veterinary) |
| 7 | Plants (metabolism) |
| 7 | Panthera (MeSH) |
| 7 | Oregon (MeSH) |
| 7 | Nymph (growth & development) |
| 7 | Nematode Infections (epidemiology) |
| 7 | Mammals (genetics) |
| 7 | Longevity (MeSH) |
| 7 | Larva (microbiology) |
| 7 | Larva (growth & development) |
| 7 | Insect Vectors (MeSH) |
| 7 | History, 20th Century (MeSH) |
| 7 | Hemorrhagic Disease Virus, Epizootic (MeSH) |
| 7 | Hair (chemistry) |
| 7 | Genomics (methods) |
| 7 | Genetics, Population (methods) |
| 7 | Genetic Fitness (MeSH) |
| 7 | Encephalitis Viruses, Tick-Borne (physiology) |
| 7 | Echinococcosis (epidemiology) |
| 7 | Cross-Sectional Studies (MeSH) |
| 7 | Coyotes (physiology) |
| 7 | Cold Climate (MeSH) |
| 7 | Ceratopogonidae (virology) |
| 7 | Cattle Diseases (parasitology) |
| 7 | California (epidemiology) |
| 7 | Borrelia burgdorferi Group (isolation & purification) |
| 7 | Birds (physiology) |
| 7 | Austria (MeSH) |
| 7 | Arthropod Vectors (MeSH) |
| 7 | Antlers (chemistry) |
| 7 | Animals, Wild (virology) |
| 7 | Anaplasmosis (epidemiology) |
| 7 | Anaplasma (genetics) |
| 7 | Amino Acid Sequence (MeSH) |
| 7 | Aedes (physiology) |
| 7 | Accidents, Traffic (prevention & control) |
| 6 | Weaning (MeSH) |
| 6 | Wasting Disease, Chronic (pathology) |
| 6 | Trees (growth & development) |
| 6 | Transportation (MeSH) |
| 6 | Tick Infestations (prevention & control) |
| 6 | Tick Control (methods) |
| 6 | Theileria (isolation & purification) |
| 6 | Survival Analysis (MeSH) |
| 6 | Soil (analysis) |
| 6 | Skull (anatomy & histology) |
| 6 | Sheep, Domestic (MeSH) |
| 6 | Sheep (physiology) |
| 6 | Seedlings (growth & development) |
| 6 | Sarcocystosis (veterinary) |
| 6 | Sarcocystis (genetics) |
| 6 | SARS-CoV-2 (genetics) |
| 6 | Ruminants (microbiology) |
| 6 | Rumen (metabolism) |
| 6 | Rodent Diseases (parasitology) |
| 6 | Reoviridae Infections (virology) |
| 6 | Reoviridae Infections (transmission) |
| 6 | Reference Values (MeSH) |
| 6 | Radioactive Fallout (MeSH) |
| 6 | Puma (MeSH) |
| 6 | Peromyscus (microbiology) |
| 6 | Parturition (MeSH) |
| 6 | Parasite Egg Count (veterinary) |
| 6 | Ostertagiasis (veterinary) |
| 6 | Ostertagia (physiology) |
| 6 | Ontario (MeSH) |
| 6 | Odorants (MeSH) |
| 6 | Nymph (microbiology) |
| 6 | Norway (epidemiology) |
| 6 | North America (epidemiology) |
| 6 | Nitrogen Isotopes (analysis) |
| 6 | Newfoundland and Labrador (MeSH) |
| 6 | Nematode Infections (parasitology) |
| 6 | Nematoda (isolation & purification) |
| 6 | Nematoda (MeSH) |
| 6 | Myiasis (veterinary) |
| 6 | Myiasis (parasitology) |
| 6 | Muntjacs (genetics) |
| 6 | Multivariate Analysis (MeSH) |
| 6 | Michigan (MeSH) |
| 6 | Metastrongyloidea (isolation & purification) |
| 6 | Meat (MeSH) |
| 6 | Lyme Disease (prevention & control) |
| 6 | Livestock (microbiology) |
| 6 | Liver (metabolism) |
| 6 | Ixodidae (microbiology) |
| 6 | Ixodidae (growth & development) |
| 6 | Intestinal Diseases, Parasitic (veterinary) |
| 6 | Intestinal Diseases, Parasitic (epidemiology) |
| 6 | Hemorrhagic Disease Virus, Epizootic (genetics) |
| 6 | Heart Rate (MeSH) |
| 6 | Hares (physiology) |
| 6 | Hantavirus Infections (epidemiology) |
| 6 | Genetic Variation (genetics) |
| 6 | Genetic Predisposition to Disease (MeSH) |
| 6 | Gastrointestinal Tract (microbiology) |
| 6 | Gastrointestinal Microbiome (drug effects) |
| 6 | Forestry (methods) |
| 6 | Exocrine Glands (physiology) |
| 6 | Encephalitis, Tick-Borne (virology) |
| 6 | Dog Diseases (epidemiology) |
| 6 | Disease Outbreaks (MeSH) |
| 6 | Disease Models, Animal (MeSH) |
| 6 | Diptera (microbiology) |
| 6 | Deer (psychology) |
| 6 | Databases, Factual (MeSH) |