Pathogens Associated with Common Animal Diseases

This chart shows disease names and associated pathogens of some common animal diseases. Clickable links to online veterinary or research references are provided in the last column, which verify the disease-pathogen association. The "PMID" numbers in the third column are the access numbers of research articles available at PubMed from the National Library of Medicine/National Institute of Health. You can click on the linked numbers to read the abstracts of the articles, or you can manually enter the number into the search box here.

Some references are in pdf format. If you are not able to open them, and need to download the free Adobe Reader software, go here.

It is not possible to list all the pathogens that are capable of causing some conditions, such as feline (or canine) respiratory disease, tracheobronchitis, etc. For those conditions, only the most common pathogens are shown. In some instances, newly emerging pathogens are still being researched and verified to cause disease conditions.

This chart provides information and references, but is not intended to be used for diagnostic purposes. For more information, please see the disclaimer below.


Name of Condition Associated Pathogen PMID or other reference
Abortion (late stage, ruminants & pigs) Chlamydophila abortus 15837807
African swine fever African swine fever virus CIDRAP
Univ GA Grey Book
OIE
PigHealth
Anthrax Bacillus anthracis FAO
Ascariasis Ascaris suum MerckVetManual
Aspergillosis Aspergillus fumigatus
Aspergillus terreus
other Aspergillus species		 MerckVetManual
Zoologix
Atrophic rhinitis (swine) Pasteurella multocida
Bordetella bronchiseptica		 MerckVetManual
Aujeszky's disease Porcine Herpesvirus 1
(aka Suid herpesvirus 1 or Pseudorabies virus)		 APHIS
LANL
Babesiosis, bovine/ruminant (aka Piroplasmosis, Texas fever, redwater, tick fever) Babesia bovis
Babesia bigemina
Babesia divergens
Babesia jakimovi
Babesia major
Babesia ovate
see also Theileriosis, bovine		 17953480
16504404
Univ GA Grey Book
Babesiosis, canine Babesia canis
Babesia vogeli
Babesia gibsonii
Babesia conradae
Babesia rossi
Theileria annae
Theileria equi
Theileria annulata		 19436443
Babesiosis, equine (aka equine piroplasmosis) Babesia caballi,
Babesia equi (now classified as Theileria equi)		 Univ GA Grey Book
MerckVetManual
17135560
Babesiosis, sheep and goats Babesia motasi (sheep)
Babesia ovis (sheep and goats)		 Univ GA Grey Book
Babesiosis, swine Babesia trautmanni
Babesia perroncitol		 Univ GA Grey Book
Bang's disease (aka brucellosis) Brucella abortus,
Brucella suis		 FAO
APHIS
Bartonellosis Bartonella henselae
Bartonella vinsonii subspecies berkhoffii
Bartonella rochalimae
Other Bartonella species (numerous)		 19538271
19961681
17553243
19331727
Bird cholera (aka Fowl cholera) Pasteurella multocida 17107417
10935284
MerckVetManual
Bluetongue disease Bluetongue virus Univ GA Grey Book
FAO
Border disease (aka Hairy shaker disease) Border disease virus MerckVetManual
Borreliosis, bovine Borrelia theileri 11158095
Botulism Clostridium botulinum FAO
Bovine abortion Neospora caninum MerckVetManual
Zoologix
Bovine ephemeral fever (Bovine) ephemeral fever virus IowaState
Bovine leukosis (aka bovine lymphosarcoma, bovine leukemia, or bovine malignant lymphoma) Bovine leukemia virus MerckVetManual
Bovine tuberculosis Mycobacterium bovis APHIS
Bovine viral diarrhea Bovine viral diarrhea virus MerckVetManual
Brucellosis, bovine (aka Bang's disease) Brucella abortus FAO
Brucellosis, ovine/caprine Brucella melitensis FAO
Brucellosis, swine Brucella suis APHIS
Canine distemper (aka Hardpad disease) Canine distemper virus
 MerckVetManual
Zoologix
Canine tracheobronchitis (kennel cough) Bordetella bronchiseptica
Canine parainfluenza virus
Canine adenovirus type 2
Canine distemper virus
Mycoplasma
Other pathogens		 Zoologix
MerckVetManual
Chlamydiosis Chlamydophila psittaci
Chlamydophila felis (in cats)		 MerckVetManual
16766509
Classical swine fever (aka hog cholera) Classical swine fever virus MerckVetManual
Contagious agalactia of sheep and goats Mycoplasma agalactiae
Mycoplasma capricolum capricolum
Mycoplasma putrefasciens
Mycoplasma mycoides capri
Mycoplasma mycoides mycoides (large colony type)		 Univ GA Grey Book
Contagious bovine pleuropneumonia Mycoplasma mycoides subspecies mycoides APHIS
8914769
Univ GA Grey Book
Contagious caprine pleuropneumonia Mycoplasma capricolum subspecies capripneumoniae
(aka Mycoplasma strain F38)		 Univ GA Grey Book
FAO
Contagious equine metritis Taylorella equigenitalis MerckVetManual
Univ GA Grey Book
Cowdriosis (aka Heartwater) (ruminants) Ehrlichia ruminantium
(aka Cowdria ruminantium)		 16547041
APHIS
Cysticercosis (porcine) Taenia solium FAO
Distemper (canine) Canine distemper virus MerckVetManual
Zoologix
Distemper (feline) Feline panleukopenia virus MedlinePlus
Zoologix
Dourine Trypanosoma equiperdum Univ GA Grey Book
East coast fever (aka Zimbabwean tick fever, African Coast fever, Corridor disease, January disease) Theileria parva Univ GA Grey Book
Eastern equine encephalitis Eastern equine encephalitis virus CDC
eMedicine
Echinococcosis Echinococcus multilocularis
Echinococcus granulosus		 eMedicine
eMedicine #2
FAO
Ehrlichiosis Anaplasma platys (in dogs)
Ehrlichia canis (in dogs)
Ehrlichia chaffeensis (in dogs)
Ehrlichia ewingii (in dogs)
Anaplasma phagocytophilum (in horses)		 MerckVetManual
Zoologix
Elokomin Fluke Fever Neorickettsia elokominica MerckVetManual
Enteritis (dogs) Canine coronavirus Zoologix
Enterocolitis Clostridium difficile Enterocolitis
Epizootic hemorrhagic disease Epizootic hemorrhagic disease virus Univ GA Grey Book
Equine Granulocytic Ehrlichiosis Anaplasma phagocytophila
(formerly, Ehrlichia equi)		 MerckVetManual
Equine infectious anemia Equine infectious anemia virus APHIS
Equine Monocytic Ehrlichiosis (aka Potomac horse fever, Ditch fever, Shasta River crud, Equine ehrli Neorickettsia risticii
(formerly, Ehrlichia risticii)		 MerckVetManual
Equine piroplasmosis Babesia equi
Babesia caballi		 APHIS
Univ GA Grey Book
Equine protozoal myeloencephalitis Sarcocystis neurona
Other protozoa		 MerckVetManual
Zoologix
Equine sarcoids (horses) Bovine papillomaviruses 1 & 2 12692268
Erysipelas Erysipelothrix rhusiopathiae MerckVetManual
Feline chlamydiosis (aka feline pneumonitis) Chlamydophila psittaci MerckVetManual
Zoologix
Feline distemper (aka Feline infectious enteritis, Feline Panleukopenia) Feline panleukopenia virus MerckVetManual
Zoologix
Feline immunodeficiency syndrome Feline immunodeficiency virus Cornell
Feline infectious anemia (aka Hemobartonellosis) Haemobartonella felis
(aka Eperythrozoon felis)		 MerckVetManual
Feline infectious enteritis (aka Feline distemper, Feline panleukopenia) Feline panleukopenia virus MerckVetManual
Zoologix
Feline infectious peritonitis Feline infectious peritonitis virus
Feline enteric coronavirus		 MerckVetManual
MerckVetManual
Zoologix
Feline leukemia (Feline lymphoma) Feline leukemia virus MerckVetManual
Zoologix
Feline panleukpenia (aka Feline distemper, Feline infectious enteritis) Feline panleukopenia virus MerckVetManual
Zoologix
Feline pneumonitis (aka feline chlamydiosis) Chlamydophila felis (formerly, Chlamydia psittaci)
 MerckVetManual
Zoologix
16766509
Feline respiratory disease Feline calicivirus
Feline rhinotracheitis virus (aka feline herpesvirus 1)
Mycoplasma felis
Chlamydophila felis (formerly, C. psittaci)
Bordetella bronchiseptica		 MerckVetManual
Zoologix
Foot and mouth disease Foot and mouth disease virus CIDRAP
Fowl cholera (aka Bird cholera) Pasteurella multocida 17107417
10935284
MerckVetManual
Glanders (aka Farcy) Burkholderia mallei
(formerly, Pseudomonas mallei)		 MerckVetManual
Zoologix
Goat pox (aka caprine variola, variola of goats) Goat poxvirus FAO
Univ GA Grey Book
Gumboro disease (aka Infectious bursal disease) Infectious bursal disease virus MerckVetManual
Hairy shaker disease (aka Border disease) Border disease virus MerckVetManual
Hardpad disease (aka Canine distemper) Canine distemper virus MerckVetManual
Zoologix
Heartwater (aka Cowdriosis) (ruminants) Ehrlichia ruminantium
(aka Cowdria ruminantium)		 16547041
APHIS
Hemorrhagic septicemia (cattle) Pasteurella multocida Univ GA Grey Book
Hemorrhagic streptococcal pneumonia (dogs) Streptococcus equi subspecies zooepidemicus Zoologix
Hog cholera (aka classical swine fever) Classical swine fever virus MerckVetManual
Hydatid disease (aka Hydatidosis, Echinococcosis) Echinococcus granulosus FAO
eMedicine
Infectious bursal disease (aka Gumboro disease) Infectious bursal disease virus MerckVetManual
Infectious canine hepatitis Canine adenovirus type 1 MerckVetManual
Infectious laryngotracheitis Gallid herpesvirus 1
(aka infectious laryngotracheitis virus)		 16873243
Johne's disease (aka Paratuberculosis) Mycobacterium paratuberculosis MerckVetManual
Kennel cough (aka Canine tracheobronchitis) Bordetella bronchiseptica
Canine parainfluenza virus
Canine adenovirus type 2
Canine distemper virus
Mycoplasma
Other pathogens		 MerckVetManual
Zoologix
Leptospirosis Leptospira interrogans sensu lato
Leprospira pomona
Leptospira grippotyphosa
Leptospira ballum
Leptospira icterohaemorrhagiae
Leptospira canicola
Leptospira autumnalis
other Leptospira species		 eMedicine
FAO
Zoologix
Mad itch Porcine Herpesvirus 1
(aka Suid herpesvirus 1 or or Pseudorabies virus)		 APHIS
LANL
Malignant Catarrhal Fever Ovine herpesvirus 2
Alcelaphine herpesvirus 1
Caprine herpesvirus 2
Other animal herpesviruses		 MerckVetManual
Marek's disease type 1 Gallid herpesvirus 2
(aka Marek's disease virus type 1)		 10933706
Taxonomy
MerckVetManual
Marek's disease type 2 Gallid herpesvirus 3
(aka Marek's disease virus serotype 2)		 Taxonomy
MerckVetManual
Marek's disease type 3 Meleagrid herpesvirus type 1
(aka Turkey herpesvirus)		 MerckVetManual
Taxonomy
11134310
Melioidosis Burkholderia pseudomallei MerckVetManual
Zoologix
Mouse (murine) typhus (aka Endemic typhus) Rickettsia typhi MedlinePlus
Mouse hepatitis & liver disease Helicobacter hepaticus CDC
Myxomatosis (rabbits) Myxoma virus 15448364
MerckVetManual
Newcastle disease Newcastle disease virus
(aka Avian paramyxovirus 1)		 MerckVetManual
Orf disease Orf virus 14671098
Ornithosis Chlamydophila psittaci MerckVetManual
Otitis media / interna (rabbits) Pasteurella multocida
Encephalitozoon cuniculi		 MerckVetManual
Pacheco's disease Psittacid herpesvirus 1 16873243
Parrot fever Chlamydophila psittaci MerckVetManual
Parvo Canine parvovirus MerckVetManual
Zoologix
Pasteurellosis (rabbits) Pasteurella multocida MerckVetManual
Porcine intestinal adenomatosis Lawsonia intracellularis MerckVetManual
Zoologix
Potomac horse fever (aka Equine monocytic ehrlichiosis, Ditch fever, Shasta River crud, Equine ehrli Neorickettsia risticii
(formerly, Ehrlichia risticii)		 MerckVetManual
Proliferative hemorrhagic enteropathy Lawsonia intracellularis MerckVetManual
Zoologix
Pseudorabies Pseudorabies virus APHIS
Psittacosis Chlamydophila psittaci MerckVetManual
Q fever Coxiella burnetti MerckVetManual
Rabbit Calicivirus Disease (aka Viral hemorrhagic disease) Rabbit calicivirus MerckVetManual
Rabbit papillomatosis Shope (cottontail) papillomavirus MerckVetManual
Rabbit respiratory disease Pasteurella multocida
Bordetella bronchiseptica
Klebsiella pneumoniae
Staphylococcus aureus
Pseudomonas species
Streptococcus species		 MerckVetManual
Rabbit respiratory
Rabbitpox Rabbitpox virus MerckVetManual
Rabies Rabies virus VirologyOnline
MerckVetManual
Rift Valley fever Rift Valley fever virus Univ GA Grey Book
Rinderpest disease Rinderpest virus Univ GA Grey Book
9000095
MerckVetManual
Salmon Poisoning Disease (also infects dogs) Neorickettsia helminthoeca
Neorickettsia elokominica		 MerckVetManual
Sarcocystosis or sarcosporidiosis (pigs) Sarcocystis miescheriana
Sarcocystis suihominis
Sarcocystis porcifelis		 MerckVetManual
Scabby mouth disease Orf virus 14671098
Sheep pox Sheep pox virus 12021338
FAO
Univ GA Grey Book
Strangles (horses) Streptococcus equi subspecies equi MerckVetManual
Zoologix
Swine brucellosis Brucella suis APHIS
Swine vesicular disease Swine vesicular disease virus DEFRA
Theileriosis, bovine Theileria parva
Theileria annulata
Theileria orientalis
Theileria mutans
Theileria taurotragi		 15994557
MerckVetManual #2
Theileriosis, equine Theileria equi MerckManual
9660136
17135560
Theileriosis, sheep and goats Theileria lestoquardi (formerly, Theileria hirci)
Theileria ovis		 MerckVetManual
Toxoplasmosis Toxoplasma gondii Zoologix
FAO
eMedicine
Transmissible spongiform encephalopathy (TSE) Spiroplasma mirum 17761489
Trichinosis Trichinella spiralis
Other species of trichinella		 FAO
eMedicine
Trypanosomiasis (aka African animal trypanosomiasis, Nagana, tsetse disease, tsetse fly disease) Trypanosoma congolense
Trypanosoma vivax
Trypanosoma brucei brucei		 Univ GA Grey Book
Tuberculosis Mycobacterium bovis
Mycobacterium avium group
Mycobacterium tuberculosis
Mycobacterium fortuitum
Mycobacterium microti		 MerckVetManual
MerckVetManual
Tuberculosis (bovine) Mycobacterium bovis APHIS
Typhus Rickettsia typhi
Rickettsia prowazekii
 MedlinePlus
Tyzzer's disease Clostridium piliforme MerckVetManual
Zoologix
Venezuelan equine encephalitis Venezuelan equine encephalitis virus eMedicine
West Nile disease / West Nile encephalomyelitis West Nile virus Zoologix
MerckVetManual
MerckVetManual

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