Grouping - causative agent Flashcards
Parvoviridae
Non-enveloped, ssDNA, stenoxen
Porcine parvovirus (SMEDI): PPV1 - Protoparvov.
↳ death, mummification, older myoclonia congenita pm:hemorr
Canine parvoviral enteritis: CPV2 - car protoparvov1
↳3-8wk: sudden die, myocard. damage, >8: enteritis grey stinky
Feline panleukopenia: Car protoparvovirus1
↳ diarhea, vomit, neutro/lymphopenia, cerebellar hypoplasia
Mink enteritis: car protoparvovirus 1
↳ High mortt, fever, bloody diarrhea
Aleutian mink disease: Car. amdoparvovirus1
↳Plasmacytosis, bloody faeces, NS sign, bleed from orifices
Derszy disease: Dependoparvovirus
↳Susc: die! convulsion(liver dam), ascites, swollen eyelid,nasal d
↳ Part. prot: ↓develop & feather issues
Duck parvo
↳ 1 wk old: diarrhea, leg weakness, NS (chronic: ↓develop)
Polyoma
Non-enveloped, dsDNA
HEMORRHAGIC NEPHRITIS ENTERITIS OF GEESE
↳oncogene, cs few hrs bf death! 3-10wk: shake head/neck, diarrhea, coma ⇒ hemorr. neprhitis, necrotising hemorr. enteritis, hemorrhages around body
Papilloma
Non- enveloped, linear dsDNA
Papilloma virus:
Cauliflower nodules- grey painless
Circoviridae
Non-enveloped ssDNA
Postweaning Multisystemic Wasting Syndrome (PMWS)
↳1.5-4m: wl, jaundice, rough hair, flaccid myocardium & ascites
Porcine Dermatitis Nephropatia Syndrome (PDNS)
↳III hypers! >1.5m: multifocal red skin lesion, browngrey kidney!
Psittacine beak & feather disease virus
↳<3yr A: resp, enteritis (die 2nd inf) C: feather/beak deform
Pigeon circovirus
↳ 1-12m: lethargy, beak/feather/claw deformities
Goose circovirus
↳>1wk: retard growth, ↓ prod & feather formation ↑mort
Chicken infectious anaemia: Anelloviridae f, Gyrovirus genus
↳<1m: Anemia dermatitis syndr., hemorrhages, cells destroyed
Adenoviridae
Non-enveloped - dsDNA - oncogenic
Pneumoenteritis of ru: Mastadeno & atadeno
↳ Calves: 1-4m/old: nasal d, cough, diarrhea
↳ Lambs: 3-4wk intensively raised from young ewes! resp signs
Canine infectious hepatitis Canine mastadenov (Cadv-1)
↳ PA:death w/in 2d A: fever. Jaundice, bloody diarrhea, hepatitis, encephalitis, glomerulonephritis.
Canine infectious laryngotracheitis Cadv2
↳ rare cs alone! nasal d, fever, cough, rhinitis, laryngitis, bronchi
Adenoviral disease in poultry:
Aviadeno g
↳ Chicken incl. body hep: Fadv1,7,8 Anemia, diarhea, ↑pale liver
↳ Hepatitis-hydropericardium syndrome in goose: sitting, focal hepattic necrosis & myocardial necrosis
Siadeno g
↳ Turkey hemorrhagic enteritis: bloody faeces, anemia ++
↳ Marble spleen disease: Pheasant - mottled ↑ spleen
↳ Splenomegaly: broiler - hyperplasia & ↑ liver/spleen
Atadeno g
↳ Eggdrop syndrome: duck atadenoV1: fragile deform soft shell
Herpesviridae
dsDNA - enveloped - weak res - lifelong worry
Infectious bovine rhinotracheitis: BHV 1&5, alpha- varicello g
↳ Resp form: ulceration & red upper airway, nasal d, cough
↳ IPV: pustules, yellow-white membr & IPB: swollen prepuce
Bovine herpesmammillitis: BHV-2, alpa simplex
↳via milk -skin damage→ plaques→vesicles→ulcer→scab
Swine inclusion body rhinitis: Suid herpesv2 - unassigned, beta
↳ <3wks: fever, sneeze, seroud/bloody nasal d! Wasting piglet
Malignant catarrhal fever: Ovine HV2+Alcelaphine HV1 G- maca
↳Wildebeest/sheep associated! PA: hem. enteritis, tremor/conv, death SA: Rumen paralysis, nasal d, encephalitis ⇒ death
Aujeszky: Suid herpesvirus1 - alpha - varicello
↳Newborn piglet: death 2d, meningoencephalitis RU: L.enceph
↳ Gilt: sneeze, nasal d, trembling face ↳ Adult: abortion!
Horse disease by EHV-1 & EHV-4: alpha varicello
↳EHV-1: Eq rhinopneumonitis & epizootic abortion
↳ R.P: serous nasal d, cough ↳E.A: after 5m preg, ab storm!
↳ CNS: paralysis, ataxia, lame, tail/anus paralysis
EHV 2 & 5: Gamma perca! few wk old foal: fever, nasal d, cough
EHV 3: A-varicell! nodule,pustule (vag/pen/lip foal) erosion, scab
Canine herpesviral disease: CaHV-1 - alpha varicello
↳up to 3wk: yellowish faeces, crying, necrotising vasculitis
↳ very young: convulsions, coma, death
Feline infectious rhinotracheitis: Felid HV1- alpha varicello
↳>6m: sneeze, cough, conjunctivitis-stuck bleary eyelids & blocked nasal orifice
Infectious laryngotracheitis of chicken: Alpha - Ilto virus g.
↳SEVERE/TYPICAL FORM: Dyspnoea, cheesy plugs- obturation, bloody exudatte, necrotizing tracheitis
Mareks disease: Gallidherpesvirus 2! & 3 Alpha-mardivirus
↳ Classical neurological form: ataxia, 1sided paralysis, ↑nerves
↳Acute,lymphoprolif: Visceral tumors, nodule in skin, depressed
Duck plague: Anatidae HV1, gamma - unassigned
↳ Adult ↑severe, die good cond! Bloody diarrhea, eyelid odema
↳Ducklings: blue beak, bloody vent
Pigeon herpes: Columbi herpes virus 1 - alpha mardi
↳2-6m: serous conjunct, fat/herpes eye, diphteric yellow plaques in beak/oropharynx (die in under a week)
Poxviridae
Linear dsDNA, good res +/-envelope Ortho+parapox=zoon
Bovine diseases caused by poxviruses
Cowpox: orthopox - zoon
↳Udder/milk/gen→red/black crust→ papules→ vesicles
Pseudocowpox: Parapox Zoon !Milkers nodule! cattle + hu
↳ Udder & teats: red papules, small vesicles/pustules bf scabs
Bovine papular stomatitis: Parapox genus Zoon Spring/summer
↳>2 yrs→erythema→prolif. pocks (nose,mouth,muzzle,lips)
Lumpy skin: Capripox genus NOTIFIABLE ø hu
↳mosq/fly! generalized Nodule all over => fever, odema, nasal d
Contagious pustular dermatitis - sheep and goat “ORF” parapox
↳ Zoon, mouth, limb,teat Pap.→vesic.→ pustular→ encrust
Swine pox: Suipox virus genus Only pigs ear, belly, thigh
↳Vectors,direct→ red spots w/ pocks in. centre → crusts
Sheep & goat pox: capripox EU FREE! generalized!
↳pox all over, necrosis of dermis, lymphoma like nodules in organs, mucopurulent nasal d, permanent star shaped scars
Myxomatosis: Leporipox - OIE - cottontail: maintain
↳Wild/dom(severe, death) via insect/mosq
↳TYPICAL/CLASSICAL/NODULAR: moist nodules w/necrosis & ulceration = lionhead + genitals
↳ATYPICAL/AMYXOMATOUS: conj. nasal d & sneeze
Fowl pox: Avian poxv, Avipox Turkey, pheasant, pigeon, fowl
↳ DRY CUTANEOUS FORM: Local lesions on featherless areas
↳DIPHTERIC WET FORM: malign. mm, resp tract, oral cav: nodules covered with fibrin → wasting, coryza, conjunctivitis
Asfarviridae
African swine fever
Asfarviridae, astivirus genus arbovirus NOTIFIABLE
enveloped, linear dsDNA, very res, swine/wild boar/afric. pig
HIGHLY VIRULENT: Peracute/acute: Depression & sudden death hemorrhages, ↑ black In & pulmonary oedema
MODERATELY VIRULENT: subacute: Prolonged fever, skin lesions,↑ spleen, abortion, high mortality in sows
MILD VIRULENT: Chronic: multifocal skin lesions, swelling (tarsal + carpal), Immune complexes, abortion, pneumonia
Picornaviridae
non-enveloped +ssRNA
Teschovirus: Serotype1 - vir.var: Teschen Talfan only pig
↳TESCHEN: flaccid paral, vomit, ataxia, convulsions, resp para.
↳ TALFAN: widespread <4m old: ataxia & HL paralysis
Swine vesicular disease: Picorna, entero g
↳ Vesicles (mouth, snout, teat, leg) (+ rare cs: Heart & cns)
Avian encephalomyelitis: Tremovirus genus, chicken + pheasant
↳ depression, tremors (head, neck & ataxial), paralysis
Duck viral hepatitis: Duck hep A virus, avihepatovirus g, picor f
↳PERACUTE: Sudden death (day old) =>liver/spleen dystrophy+
↳ACUTE: ataxia, spasmodical paddling - hunched back & opisthotonus
Encephalomyocarditis of swine + others: Cardiovirus g
↳ piglet<5w: myocarditis, encephalomyelitis(tremor, ataxia, par)
↳other: dyspnea & sudden death
Foot and mouth disease: aphto g - NOTIFIABLE serot: O & A ww
↳Tattered edge red base vesicles! Salivate, lame(hoof loss), ↓milk, myocarditis (young) → pale ♡
Caliciviridae
Non-enveloped +ssRNA res in environment
Feline calicivirus: Vesivirus g
⇒Oral mucosa & pads: blisters & necrosis
⇒Lung: alveolitis, exud.pneum → sneeze, exudate, dyspnea
⇒Joints: Acute synovittis & thickened synovial membrane (lame)
Rabbit hemorrhagic disease + European brown hare syndrome:
↳ RHDV1 (only rabbit highest mort) & RHDV2 (rabitt + hare)
HYPERACUTE: depression & fever -> death w/in few hours
ACUTE: Foamy &/or bloody nasal discharge, heavy breathing, cyanosis of mm, incoord., shaking, terminal opistotonus
Die w/in 12-36 hrs ⇒ Hemorrhages everywhere!
Vesicular exenthema: vesivirus g
↳ euryxen & zoon - vesicles (moutht, snout, teat, leg)
Hepeviridae
Diseases of farm animals caused by hepatitis E virus
Hepeviridae, orthohepevirus genus, orthohepevirus A & C
(+ssRNA, non-enveloped) Hu: poor sanitary regions, contam H20
CHICKEN BIG LIVER & SPLEEN DISEASE: Orthohepevirus B
⇒ egg drop, anemia, premature moulting
⇒ ↑liver w/subcapsular hemorrhages & ↑spleen
Astroviridae
Astroviridae f, Avastrovirus genus (+ssRNA, non-enveloped)
AVIAN NEPHRITIS: Avian nephritis 1 (&2) virus - only chicken
↳Day old chicken: Acute: gen cs, diarrhea, kidney lesions, growth retardation (cs first 4wks of life)
DUCK HEPATITIS: like duck hepatitis (picorna), just milder
TURKEY ASTROVIRUS: diarrhea (1-5 wk old)
Togaviridae
Equine encephalomyelitis by toga
Togaviridae, alphavirus genus (+ssRNA, enveloped)
America - NOTIFIABLE - Lifelong immunity
EASTERN: Bird - mosq cycle ⇒ Horse & hu = dead end
WESTERN: Bird - mosq - rodent ⇒ Horse & Hu= dead end
VENEZUELAN: Rodent/eq - mosq - ro/eq (eq: maintaining)
PERACUTE FORM: High fever, shock, death w/in 12 hrs
ACUTE, SUBACUTE FORM: Biphasic fever, encephalitis (visual disturbance, head convulsions & paralysis), Myelitis (lame), death
public health: preg mother aborts
Arteriviridae
Enveloped, +ssRNA, OIE!
Equine infectious arteritis
↳Adult: urticaria, edema, hemorr + congestion, fetus inf, abort!
↳ Young/old: fever, somnolence, nasal d, thrombus form in BV
Porcine reproductive & respiratory syndrome
↳1st: 2 ++ wks: anorexia, hyper/dyspnea, abortion, agalactia. Young: laboured breath, blue ears , red body discolor
↳2nd: continue1-4m: Repro failure,↑piglet mort +boar ↓s. qual
