DDX - sorted by age Flashcards by Adriana Otto

Bacterial Resp Diseases of Cattle

Pasteurella Multocida A + Mannheimia Haemolytica - calves 1-4 m: bronchopneumonia
adults >6 m shipping fever -
Histophilos somni - calves 4w-4m mild resp, cough later CNS
Mycobacterium Bovis - grower, adult
Chlamydophila psitacci - all ages
Contagious Bovine Pleuropneumonia - Mycoplasma mycoides sp. mycoides - all ages, edema
Mycoplasmosis: M. bovis, M. bovirhinis, M. dispar - all ages

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Viral resp diseases of cattle (5)

Adenoviral pneumoenteritis BAdV 1-10 calves 1-4months - interstitial pneumonia
Parainfluenza 3 calves 3-6 months
Resp syncitial virus - 6 - 24 months
Infectious bovine Rhinotracheitis - all ages - causes encephalitis as well
Bovine Coronavirus - all ages >2w - mild

BVD, BHV4, MCF - predispose to 2ndary bacterial pneumonia

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Bacterial enteric diseases of cattle

Coli diarrhea (ETEC) 2-4d
Calf dysentery (VTEC) 2-8w
Salmonella enteritidis, typhimurium, derby, muenster 2-6w
Fusobacterium necophorum - calves with umbilical infection
M. avium subsp paratuberculosis/ Johnes disease - cattle >2 years, long IP
Clostridium perfringens a, b,c e - calves, rare sporadic
Campylobacter jejuni
Yersinia enterocolitica

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viral diseases of cattle causing enteric disease (5)

Bovine viral diarrhea BVD 1,2-  Pestivirus - Flaviviridae - all cattle >4m
Coronavirus - calves 1-2w
Rotavirus - calves 1-2 w
Astrovirus 
Parvovirus

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infectious abortions in cattle

Listeria monocytogenes - mainly heifers (listeria microabscesses)
Chlamydophila abortus - 6-8 m
Brucella abortus, Brucella melitensis all ages above 7 months
Campylobacter fetus subsp venerealis all ages
Leptospirosis - all
Q-fever (Coxiella burnetti)- all
M. bovis (Mycoplasmosis)
Anaplasmosis
Salmonellosis
Histophilosis
Truperella pyogenes

Infectious bovine rhinotracheitis - BoHV 1 heifers
Bovine viral diarrhea (flavivirus) all ages
Bluetongue all ages
Orthobunya ´viruses - akabane, schmallenberg - all ages

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CNS signs in cattle ddx

Chlamydiosis 0-6m
Leptospirosis calf
Histophilus grower all
Tetanus
Botulism
Listeriosis
Rabies
IBR
BSE all over 24 months

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Bact Respiratory diseases of swine

Actinobacillus pleuropneumoniae 6-8w
Mycoplasma hyopneumoniae 3-6m
Actinobacillus suis 1-8w growers, adults
Mycobacterium tuberculosis all ages
Pasteurella Multocida a + d all ages
Atrophic rhinitis (Bordetella bronchiseptica) <8 weeks
Anthrax all ages

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viral resp diseases of swine

Swine influenza H1n1, h3n2 all ages
Porcine circovirus PCV 2 1-4m
PRRS - Arteriviridae all ages
Aujezky all ages
Inclusion body rhinitis <3m
African swine fever all ages
Classical swine fever all ages

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Enteric disease of swine bacteria

Neonatal e.coli ETEC (1-3d)
Cl. perfringens C - pig enterotoxemia <2w
Swine Paratyphus - Salmonella cholaraesuis 2-5m - very high fever, skin emphysema
Proliferative enteropathy - Lawsonia intracellularis 6-20w
Swine dysentery - Brachyspira hyodysenteriae >6-8 w - necrotic mucosa of the colon
Swine typhus - salmonella typhisuis growers, adults
Yersinia all
Anthrax, Clostridium septicum, Tuberculosis Meliodosis

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Viral Enteric disease of swine

Rotavirus 7-21d
Transmissible Gastroenteritis (corona) all
Porcine Epidemic diarrhea (corona) all
Haemagglutinating encephalomyelitis (corona) 24 w
Adenovirus 3, 4 young
PCV, Aujezky, ASF, CSF, Tescho

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bacterial infectious abortions of swine

Erysipelas >3 months
Streptococcus 1-5 w - hyperplastic splenitis
Staphylococcus all
T. pyogenes all - abscesses, pyogenic infections
Brucellosis all - oedema
Leptospirosis all - different sized fetuses at different stages
Mycoplasma suis all - splenomegaly

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viral abortions of swine

CSF - pestivirus, flaviviridae- all but young increased mortality
ASF - Asfarviridae - all
Aujezkys disease - SuHV1 all, but young: general disease
Suis Influenza H1N1 H3N2 Orthomyxovirus - all
SMEDI Parvo -all - mummification
PRRS Arteriviridae- all

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CNS Swine

Streptococcus suis - generalised: 1-5 w old piglets, anemia + haemorrhages, rubber like spleen
Glässers - haemophilus parasuis - 1-2m old piglet - serous-fibrinous inflammation
Tetanus
Botulism
Brucellosis
Aujezkys SuHV1 - all ages
Teschen
PCV
Rabies
Nipah
Jap. encephalitis

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infectious abortions of horses

epizootic abortion EHV 1 any, >5months pregnant - Negri Bodies
Equine viral arteritis all ages
leptospirosis all
potomac horse fever all (mid-late)
strep. equi sbp. zooepidemicus (all)
e. coli
pseudomonas
enterobacter
klebsiella
actinobacillus

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resp diseases of horses

strangles 6m-2y necrotic pneumonia, abscess in LN
foal pneumonia - rhodococcus equi <4 m - purulent bronchopneumonia
glanders - burkholderia mallei any age - mallein test!!

rhinopneumonitis EHV 1,4 any age
Eq Influenza (Orthomyxo) any age - isolation in the egg - high fever!
Adenovirus 2-4m -
Aphto/Reovirus young - interstitial pneumonia
EHV2/EHV5 - any but usually young

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CNS diseases horse

tetanus all
botulism all
rabies any a, IP 2-8w
ehv 1 all
encephalitis by togaviridae all
west nile virus all (2-4w)
borna disease (1-3 m)
henipa

bact sheep resp disease

chlamydiosis resp form in lambs - serous pneumonia
tuberculosis all ages - proliferative granulomatosis
pasteurellosis varies on form - P. multocida - fibrinous pneumonia
contagious caprine pleuropneumoniae - (M.capriolum sp. capripneumoniae) - ONLY goats in any age
mycoplasmosis - SHEEP
morels disease (corynebacterium pseudotuberculosis) - older - caseous lymphadenitis

virus sheep resp disease

pneumoenteritis - adenovirus - 1st ewing lambs, <4m
shipping fever - parainfluenza 3 - 3-4w old + stress
ovine pulmonary adenocarcinoma (beta retrovirus) >2yrs
maedi visna (lentivirus, retrovirus) - 3-4y
caprine arthritis encephalitis (lentivirus) >1y
Bluetongue any age
Peste des petits ruminants - young, all

bacterial CNS signs of sheep

pasteurellosis 1-4w - meningitis, septicaemia
cl. perfringens d 6-12m - soft autolyzed kidney
infectious necrotic hepatitis c. novyi b all ages, 1-4y
tetanus all ages no lesions
botulism - all ages no lesions
listeriosis all ages purulent encephalitis
heartwater (ehrlichia) - all ages - hydrothorax, hydropericardium

viral cns of sheep

louping ill - flavivirus - mainly sheep, all ages - biphasic fever - lymphocytic encephalitis with neuron necrosis
tick borne encephalitis - flavivirus - all , mostly human though, often subclinical with mild fever
rabies - all - negri bodies, lymphohystiocytic
caprine arthritis encephalitits - mostly goat - lentivirus leukoencephalomyeltis -

maedi visna mostly sheep 3-4 y - Visna - CNS , Maedi - Resp
aujezkys – SuHv 1 all ages -
borna disease - all ages - inclusion bodies

scrapie - >1-5 y - no gross lesions

bact infectious abortions of sheep and goat

salmonella abortusovis - 1st pregnancy (late 4-5m)
chlamydia abortus (1st pregnancy - late) - jaundice
campylobacter fetus sp fetus - 1 st pregnancy (mid-late) - necrotic foci in liver!
brucella melitensis any age -
leptospirosis any age
q-fever, coxiella burnetti any age, late
listeria any age - autolysis of fetus

viral ddx abortions of sheep

all of them at all ages
rift valley fever - phlebovirus all ages - necrotic hepatitis
orthobunyaviruses (schmallenberg, akabane etc) . tick vector , enlarged organs
wesselbrons disease - fetal malformation
border disease - pestivirus - abortion or immunotolerant weeak lambs
bluetongue - all ages - oedema

ddx enteric disease dogs

haemorrhagic gastroenteritis - e.coli, c. perfringens, c. difficile, b. anthracis - all ages - acute onset - increased PCV
campylobacter jejuni <6 m - large amount of fluid in colom
bacterial colitis - salmonella typhimurium - all ages - thick rubber like colon
CPV2 - young - destroyed crypts
CHV1 <3w perivascular necrosis
CDV distemper 3-6m
canine infectious hepatitis 3-6m
coronavirus all
rotavirus 1-2w if no colostrum
aujezky age varies

resp disease of dogs

kennel cough - CDV, CAdV, CPiV (canine parainfluenza) - all ages - inflamed resp mucosa
Actinomyces viscosus, A- hordeovulneris- all - fibrovascular proliferation
Nocardia - all - granulomatosis
Tuberculosis - m. tuberculosis, m. bovis - grey/white bronchopneumonia
canine parainfluenza - CPIV2 all ages. (paramyxoviridae)
canine infectious laryngotracheitis - all ages
COV morbillivirus 3-6m
CHV - all ages
Canine influenza - all ages

cats generalised diseases

``` feline calicivirus FIP panleukopenia - parvovirus feline leukosis - FeLV - gammaretrovirus FIV >24m ```

viral infectious resp disease of poultry

``` Infectious laryngotracheitis (Herpesvirus) >8w, Fibrin precipitate forming plugs in resp tract, conjunctivitis, dyspnea, swollen red tracheal mucosa ``` ``` Infectious bronchitis (Coronavirus) <6w permanent damage to oviduct, >6w transient damage to oviduct, Resp signs, ascites, gout, nephritis, abnormal eggs ``` Newcastle disease (Paramyxovirus) Edema of neck, resp & neurological signs, ↓egg production, greenish watery diarrhea, hemorrhages in gizzard/proventriculus Avian influenza Upper resp/lung inflammation, ↓egg production, diarrhea, head edema, hemorrhages Fowl pox Skin form, Mucosal form, Combined form Bollinger bodies Swollen head syndrome/Turkey rhinotracheitis (Metapneumovirus) Sinusitis, torticollis, resp signs

bact infectious resp disease of poultry

Chlamydiosis Turkey/duck/goose, Resp inflammation, conjunctivitis, fever, diarrhea, hepatitis Ornithobacterium >2w, Labored breathing, sinusitis, swollen head, mucous in trachea Mycoplasmosis Turkey/chicken, Labored breathing, sinusitis, airsacculitis, arthritis E.coli Chicks, Labored breathing, airsacculitis Avian bordetellosis Turkey chicks, Nasal discharge, conjunctivitis, sinusitis Anatipestifer disease (Riemerella anatipestifer) Duck/goose, Green feces, conjunctivitis, lameness, sero-fibrinous membranes Infectious coryza (Avibacterium paragallinarum) Adult hen, Upper resp signs, conjunctivitis, sinusitis, edema Tuberculosis Old birds, Depression, weight loss, diarrhea, tuberculi ``` Infectious synovitis (Mycoplasma synoviae) Lameness, resp signs, sinusitis, arthritis ```

viral enteric disease of poultry

chicken and turkey parvovirus: Derzys disease - in geese esp young , ascites and white pseudomembranes coronaviral enteritis of turkeys rotavirus: in 1-2 weeks of age astrovirus: avian nephritis, duck hepatitis

bact enteric disease of poultry

``` yersiniosis fowl cholera - pasteurella chlamydiosis - chlamydophila borreliosis - borrelia campylobacteriosis - interst spirochaetes tuberculosis - mycobacterium avium sbp avium e. coli fowl typhoid - salmonella ty salmonella gallinarium paratyphoid necrotic enteritis anatipestifer ulcerative enteritis - clostridium colinum ```

poultry in first 10 days of life virus

Chicken infectious anemia (Circovirus) Hens, Bursal atrophy, anemia Egg drop syndrome (Adenovirus) Geese, Dyspnea, rhinitis, nuclear IB Fowl pox Turkey/pheasant, Skin lesions, cytoplasmic IB ``` Avian encephalomyelitis (Picornavirus) Chicken, Ataxia, tremor, death ``` Duck viral hepatitis (Picronavirus) Duck, Death, liver dystrophy ``` Chicken nephritis (Astrovirus) Chicken, Diarrhea, kidney problems ``` Avian orthoreovirus Tenosynovitis, arthritis, liver dystrophy Infectious bursal disease/Gumboro (Birnavirus) Retarded growth, enlarged bursa HPAI Bloody diarrhea, CNS signs ``` Infectious bronchitis (Coronavirus) Resp signs, gout, damage to oviduct ``` ``` Newcastle disease (Paramyxovirus) Resp/CNS signs, greenish watery diarrhea ```

bacteria first 10 days of poultry

Staphylococcus aureus 1d old, Depression, navel inflammation, lameness, hemorrhages, enlarged liver/spleen Fowl typhus (Salmonella gallinarum/pullorum) 1d old chicken/turkey, Navel inflammation, diarrhea, fever, lameness, hemorrhages, heart necrosis E.coli 1d old, Dyspnea, diarrhea, navel inflammation, depression, lameness, hemorrhages ``` Fowl paratyphus (Salmonella) >1d, Navel inflammation, diarrhea, fever, lameness, hemorrhages, heart necrosis ``` Bordetella avium >1d turkey, Sinusitis, conjunctivitis, nasal discharge