DDX Flashcards
(22 cards)
Differential diagnosis of infectious respiratory diseases of cattle (epidemiology, clinical signs, post mortem lesions).
B:
brdc (multocida, hemolytica, mycoplasma, histophilus somni, trueperella, TB, contagious bo pleuropneumoniae (mycoplasma)
V:
PI3, BRsyncytical virus, Adeno/orthorep pneumoenteritis, Bluetongue, malign catarrhal fever
IBR, corona
Differential diagnosis of infectious enteric diseases of cattle (epidemiology, clinical signs, post mortem lesions).
Bacteria
- e. Coli, campylobacteri, salmonella, clostridia, paratuberculosis, (necrobacillosis, actinomycosis - lumpy jaw, actinobacillosis - wood tongue)
Virus
- corona, rota, adeno/orthoreo pneumoenteritis, BVDV,
Differential diagnosis of infectious abortions of cattle (epidemiology, clinical signs, post mortem lesions).
Bacteria: facultative, chlamydia, histophilus somni, brucella, campylobacteriosis, lepto, mycoplasmosis, Q fever
Viruses: BVD, IBR, akabane, malignant catarrhal fever, LSD, (rinderpest)
Brucella is mandatory to look for (and free!)
Differential diagnosis of bovine diseases with clinical signs of the central nervous system (epidemiology, clinical signs, post mortem lesions).
Bacteria: young(chlamydia, G), botulism, listeria
Viruses: rabies, IBR, BVD, BSE
Differential diagnosis of infectious respiratory diseases of swine (epidemiology, clinical signs, post mortem lesions).
Bacteria: s. Suis, glassers, actinobacillus pleuropneumoniae/suis, m. Hyopneumoniae/horhinis/hyosynoviae, tuberculosis bovis, pasturella, atrophic rhinitis, bordetella bronchiseptica, anthrax
Viruses: PCV-2 (PWMS, PRCD), swine influenza, PRRS, aujeszky, inclusion body rhinitis, corona, ASF, CSF,
Unweaned sneeze: PRRS, inclusion body rhinitis
Weaned cough: PRRS, inflenza, CSF, aujeszky
Resp complexes! Weight, cough index…
187 - Differential diagnosis of infectious enteric diseases of swine (epidemiology, clinical signs, post mortem lesions)
Bacteria: c. Difficile, perfringens A, C, coli enteritis, spirocheates (brachyspira pilosicoli), swine dysentery (brachyspira hyodys), proliferative enteropathies, su typhoid…
Virus: corona(TGE, PED, porcine haemagglutinating encephalomyelitis), rota, circo, adeno, astro, calici, toro, asf, csf, aujesky
Most common:
Nursing: c. Difficile, perfringens A/C, coli enteritis
Weaners: coli enteritis, salmonella, spirocheates, lawsonia, swine dysentery
Growers, finishers: salmonella, spirocheates, lawsonia, swine dysentery
If vomiting: TGE, PED, aujesky!! After weaning can see in rota csf asf too
Differential diagnosis of infectious abortions of swine (epidemiology, clinical signs, post mortem lesions
Bacteria: erysipelas(acute septicemia form), strept, staph, T pyogenes, brucella, erythrozoonosis (mycopl)
Virus: parvo, PRRS, aujesky, circo, asf, csf, influenza, (bvd, border disease…)
Asympt sows?
Sows and gilts?
Sudden, slow?
Differential diagnosis of porcine diseases with clinical signs of the central nervous system (epidemiology, clinical signs, post mortem lesions).
Bacteria: s. Suis, glasser, m hyorhinis+hyosynoviae, tetanus, botulism, brucella(vert abcess), edema disease, (otitis media)
Virus: aujeszky, porcine haemaggl encephalomyelitis, teshen/talfan, congenital tremor(shaking piglets, unknown background), asf, csf, rabies, nipah, encephalomyocarditis
Suckling: s. Suis, pseudorabies
Weaned-adult: same, edema disease, otitis media
Grower: auj vaxed? S. Suis, edema disease, salt poisening
(Salt intoxication)
Temp? Age? Onset?
Differential diagnosis of infectious abortions of horses (epidemiology, clinical signs, post mortem lesions).
Bacterial: contagious equine metritis, endometrial fibrosis, ascending infection (enterobact), haematogenous (chlamydia, lepto, salmonella, brucella aborticus)
Virus: EHV-1(months after infection, equine viral arteritis (asap or weeks after)
Vax?(EHV-1/4, viral arteritis), Time of abortion?(viruses!)
Differential diagnosis of infectious respiratory diseases of horses (epidemiology, clinical signs, post mortem lesions).
Bacteria: glanders/malleus, pseudomallei, strangles, streptococcus suis subsp epizooepidemicus, r. Equi
Viruses: equine influenza, EHV, infectious arteritis, adeno, African horse sickness, hendra
Fast spread? Influenza, EHV-1,
LN/abcess? R equi, strangles
Other organs? EHV-1, arteritis
Young? EHV 1, 4, reo
Differential diagnosis of equine diseases with clinical signs of the central nervous system (epidemiology, clinical signs, post mortem lesions).
Bacteria: tetanus, botulism
Viruses:rabies, EHV-1/(4), equine encephalitis viruses (W, E, V), west nile, borna (sad horse)
Sampling for serology or for the detection of causative agent is recommended simultaneously with treatment, testing for rabies from cerebrum of deceased animals may be required - early treatment crucial!! Isolate, rest
Differential diagnosis of infectious respiratory diseases of sheep and goats (epidemiology, clinical signs, post mortem lesions).
Bacteria: pasturella, chlamydia, mycopl, contagious caprine pleuropneumonia, TB
Viruses: PI-3, ovine pulmonary adenocarcinoma, maedi/visna, bluetongue
How many animals? Management(2dary infections), age, onset, lagging behind flock
(Nasal FB)
Differential diagnosis of ovine and caprine diseases with clinical signs of the central nervous system (epidemiology, clinical signs, post mortem lesions).
Bacteria: tetanus, botulism, listeria, generalized (pasturella, e coli-.. management!)
Virus: tick borne encephalitis(goat milk), west nile(mainly horse, bird, hu), border disease, rabies, aujeskys, maedi/visna, caprine arthitis and encephalitis, scrapie
Differential diagnosis of infectious abortions of sheep and goats (epidemiology, clinical signs, post mortem lesions).
Most are by chlamydia!!!!
C. Abortus, psittaci, pecorum, burnetii
Q-fever, brucella, campylo, lepto, listeria, salmonella, management: strpt, sapth, pasturella, mycopl…
Viruses: border disease, bluetongue, schmallenberg
Mandatory (and free!) exam of brucella and bluetongue
Differential diagnosis of infectious respiratory diseases of poultry (epidemiology, clinical signs, post mortem lesions).
Bacteria:
- avian bordetellosis(turkey coryza),
- ornithobacterium rhinotracheale,
- anatipestifer,
- mycoplasma,
- e coli,
- chlamydiosis(ornithosis),
- fowl cholera,
- infectious coryza,
- avian TB
Viruses:
- (herpes) infectious laryngotracheitis,
- infectious bronchitis(corona),
- newcastle,
- AI,
- fowlpox,
- avian metapneumovirus infections
AI vs Nd: cns, resp, enteric, haemorrh - ND!!
Differential diagnosis of infectious enteric diseases of poultry (epidemiology, clinical signs, post mortem lesions).
Bacteria: E coli, fowl typhoid, paratyphoid, necrotic enteritis, ulceratice enteritis, yersinia, fowl cholera, chlamydiosis (ornithosis), borrelia, campylobacter hepatitis, int spirocheatosis, TB
Virus:
Inf burs disease, AI, ND, duck plague, derzy, runting/stunting syndrome
A lot of non-specific signs…
Tricky, many asympt (often age related), similar signs, complex infections (esp young)
Age can be helptful
Differential diagnosis of poultry diseases with clinical signs of the central nervous system (epidemiology, clinical signs, post mortem lesions).
Bacteria: chlamydia(ornithosis), anatiestifer, fowl cholera, fowl typhoid, botulism
Viruses: AI, ND, marek, picrona(epidemic tremor/avian encephalomyelitis), duck plague, derzys disease
- Chickens lying down because they are unable to stand.
- Walking with difficulty as if in pain.
- Necks twisted or turned to the side.
- Staring into the air and not knowing where they are.
- Shivering.
Differential diagnosis of infectious diseases of poultry in the first 10 days of life (epidemiology, clinical signs, post mortem lesions).
Bacteria: strept, e coli, fowl typhoid, paratyphoid, anatipestifer
Virus: - chicken: runting/stunting syndrome - Turkey: PEMS (poult enteritis and mortality complex —> astro, corona, reo, rota, parvo —> poor management!
A lot to do with management… all-in-all-out
Fecal contamination, spread resp in hatchery -
Poor living conditions…
- Signs: Fever, anorexia, reluctance to move, ruffles feathers (always), huddling, dispursed
growth, disturbed moulting, retardation, diarrhoea, fecal contaminated feathers
- Pm: Haemorrhages, enlarged paranchymal organs
Differential diagnosis of infectious respiratory and enteric diseases of dogs (epidemiology, clinical signs, post mortem lesions).
RESP
Bacterial Kennel cough (PI, distemper, adeno, b bronchiseptica), actinomycosis, nocardia, TB
Virus
Adeno-2(kennel cough), herpes(cold), corona(resp, GI), PI-2, CAV-1(hep), distemper, influenza
Differential diagnosis of infectious respiratory and enteric diseases of dogs (epidemiology, clinical signs, post mortem lesions).
ENTERIC
Bacteria: haemorrhagic gastroenteritis (coli, perfringens, difficile - fast, older toy breeds), enteric campylobacteriosis (c. Jejuni, young, zoonosis), s. Typhimurium (bloody, mucoid, acute or chronic)
Virus
CPV-2 (2-4m), ca herpesvirus under 3w, CAV-1(inf canine hepatitis) under 1yr, ca corona,
Differential diagnosis of canine infectious diseases with clinical signs of the central nervous system (epidemiology, clinical signs, post mortem lesions).
Bacteria
Ehrlichia, botulism, tetanus, meningitis (strept, multocida)
Virus
Rabies, distemper, aujesky, CAV-1 (hep),
Differential diagnosis of feline infectious generalised diseases (epidemiology, clinical signs, post mortem lesions).
Bacterial
Kitten Mortality complex (e coli, strept, FeLV, corona), fe infectious anemia (m haemofelis),
Virus
Calici, FIP, FP, FIV, FeLV
