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Epidemiology 2 > undertopics until p- 50 > Flashcards

undertopics until p- 50 Flashcards

1
Q

Foetopathy of swine caused by parvoviruses (smedi) aetiology

A

PPV 1 - porcine parvovirus

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2
Q

Canine enteritis caused by parvovirus aetiology/types

A

CPV 1 - non pathogenic original virus of dogs

CPV 2 - Canine Protoparvovirus

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3
Q

Feline Panleukopenia aetiology

A

Parvovirus

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4
Q

Parvoviral diseases of the mink (2)

A

Mink parvovirus enteritis

Aleutian mink disease - plasmacytosis

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5
Q

Chicken infectious anemia aetiology

A

Anelloviridae family - Gyrovirus genus

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6
Q

Circoviral diseases of birds (3)

A

Psitaccine beak and feather disease
Pigeon circovirus
Goose circovirus

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7
Q

PMWS of swine - what does the abbreviation mean and aetiology

A

Porcine multisystemic wasting syndrome - caused by PCV 2

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8
Q

What type of porcine circoviruses exist and what do they do?

A

PCV 1 - non pathogenic
PCV 2 - responsible for PCV associated diseases
PCV 3 - together with PCV 2 or in asymptomatic animals
PCV 4 similar to mink circoviris

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9
Q

Porcine dermatitis nephropathia syndrome aetiology

A

PCV 2 - but may develop with other pathogens as well, e.g. Mycoplasma

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10
Q

Papillomavirus - which ones exist?

A 
Bovine Papillomavirus
Horse Papillomatosis
Dog Papillomatosis
Human papillomatosis and
 wild animal papillomatosis
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11
Q

Haemorrhagic nephritis and enteritis of geese cause

A

Polyomaviridae

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12
Q

which groups exist for adenovirus?

A

Mastadeno-
aviadeno-
atadeno-
siadeno, ichtadeno

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13
Q

Adenovirus pneumoenteritis in calves and lambs subtypes

A

Mastadenovirus genus : subgroup 1 - replication in bovine kidney cells
Atadenovirus genus - Subgroup 2 - replication in bovine testicle cells

Pneumovirus enteritis in lambs caused by the same

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14
Q

Canine infectious hepatitis and infectious laryngotracheitis agents

A

Infectious canine hepatitis - Rubarth disease - CAdV-1 ( Canine adeno virus type 1 )
Fox encephalitis
Infectious laryngotracheitis - kennel cough - CAdV-2

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15
Q

List of adenoviral diseases in poultry (7)

A

Chicken inclusion body hepatitis - FAdV-1 - Aviadenovirus soubgroup
Hydropericardium syndrome in geese FadV-4 Aviadenovirus
Turkey haemorrhagic enteritis - Siadenovirus genus
Marble spleen disease - in pheasants
Splenomegaly
Egg drop syndrome - Atadenovirus genus
Egg drop syndrome in goose

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16
Q

Infectious Bovine Rhinotracheitis aetiology

A

Alphaherpesvirinae: BHV-1 and BHV-5 (bovine herpesvirus)

17
Q

Infectious Bovine Rhinotracheitis Main symptoms? + importance

A

Abortion in cows, Encephalitis in calves under 5 months, Respiratory symptoms

NOTIFIABLE

18
Q

Bovine Herpesmammilitis? the occurence (continents) and the aetiology!

A

mainly in Africa, Australia and USA, rare in Europe

Alphaherpesvirinae: BHV-2

19
Q

Malignant Catarrhal Fever Aetiology and occurence

A

Gammaherpesvirinae: Ovine Herpesvirus-2 (OHV 2), Alcephaline Herpesvirus-1 (AIHV-1)
in Africa: Wilderbeest associated malignant catarrhal fever, outside of africa sheep associated malignant catarrhal fever

20
Q

Aujezkys disease - Which animals does it effect and what is the causative agent? + Importance

A

Swine is the reservoir, but Mammal and bird species also susceptible: mainly lethal encephalitis; cattle, sheep, horse, carnivores
SuHV-1 Suid Herpesvirus-1 -> antigenic relationship with BHV-1

NOTIFIABLE DISEASE

21
Q

Inclusion Body Rhinitis of Swine - aetiology and whats its importance?

A

Suid Herpesvirus - 2 : SHV 2 Betaherpesvirinae
it is very rare that it causes clinical signs, it has no economic significance however in piglets under 3 weeks it can reach up to 25% mortality

22
Q

Equine Rhinopneumonitis - Aetiology and importance?

A

Virus: Alphaherpesvirinae, Varicellovirus,
Equid Herpesvirus 1: Respiratory disease, abortion, CNS
Equid Herpesvirus 4: respiratory adaptation, (abortion)

Notifiable Disease!!

23
Q

List of Herpesvirus Families and their mechanism of action

A

Alphaherpesvirus: replicate and spead rapidly, destroying host cells and establishing latent infections
Betaherpesvirus: replicate and spread slowly, causing cells to enlarge (Cytomegalovirus) - latent in secretory glands and lymphoreticular cells
Gammaherpesvirus: infect T or B Lymphocytes, latent infection in these cells

24
Q

What is typical for herpesvirus in microscopic exam?

A

Intranuclear Inclusion Bodies (they replicate in the nucleus)

25
Q

Coital Exanthema of Horses - Aetiology

A

Equid Herpesvirus 3 - Alphaherpesvirinae

26
Q

Causative Agents of Further Herpes viral diseases of Horses + signs

A

EHV-2 and EHV-5 infection of Horses -> Gammaherpesvirinae
widespread, fever, mild resp signs
keratoconjuctivity
rh. equi colonisation on mucosa - pneumonia

2 -> keratoconjunctivitis + respiratory disease in young foals
the symptoms are often unnoticed
no symptoms in adult animals
EHV 5 may play a role in the equine multinodular pulmonary fibrosis

27
Q

Canine Herpesviral Disease? causative agent

A

Canid Herpesvirus 1 (CaHV 1) Alphaherpesvirinae

28
Q

Key points of Herpesvirus

A

Key points
Enveloped DNAviruses with icosahedral symmetry
Replicate in the nucleus
Labile in the environment
Three subfamilies of veterinary importance:
Alphaherpesvirinae, Betaherpesvirinae,
Gammaherpesvirinae
Cause diseases of the respiratory, reproductive and
nervous systems; may cause cell transformation in
some species
Latency is a common outcome of infection with
these viruses

29
Q

Papillomavirus Key Points

A

Key points
- Non-enveloped, double-stranded DNA viruses
- Icosahedral symmetry
Contains one genus, Papillomavirus:
-Have not been cultured in vitro
–Cause papillomas and fibropapillomas in domestic animals
-Malignant transformation of alimentary and
urinary tract papillomas may occur in cattle
ingesting bracken fern
-Bovine papillomas type 1 and 2 are aetiologically involved in equine sarcoids

30
Q

Parvovirus Key points

A

Key points
Small, non-enveloped, single-stranded DNA
viruses
- Icosahedral symmetry
Replicate in the nucleus, form intranuclear
inclusion bodies
Require rapidly-dividing cells for replication
Stable in the environment
Resistant to heat, solvents, disinfectants and pH
changes
Genus Parvovirus:
-Many have haemagglutinating activity
-Shed in large numbers in faeces
-Enteric and systemic diseases in dogs and cats
-Reproductive failure, SMEDI syndrome, in pigs

31
Q

Adenovirus Key Points

A

Key points
Non-enveloped, double-stranded DNA viruses,
Icosahedral symmetry
Replicate in nuclei, forming intranuclear inclusion
bodies
Moderately stable in the environment
Two genera:
-Aviadenovirus, avian adenoviruses
-Mastadenovirus, mammalian adenoviruses
Systemic and Respiratory diseases in dogs
Systemic diseases in Poultry

32
Q

Circovirus Key Points

A

Small, non-enveloped single-stranded DNA viruses
with icosahedral symmetry
Replicate in the nucleus of dividing cells
Stable in the environment
Circoviruses cause infections in chickens, pigs and
plants

33
Q

Feline Herpesviral disease Aetiology

A

FeHV-1 (Alphaherpesvirinae)

34
Q

Infectious Laryngotracheitis of Chicken Aetiology

A

GaH-1 Gallid Herpesvirus 1, Alphaherpesvirinae, Iltovirus

35
Q

Mareks disease aetiology

A

Gallid Herpesvirus 2 & 3 Alphaherpesvirinae, Mardivirus

GaHV2: Mareks disease virus serotype 1 causes Mareks disease

36
Q

Duck Plague Aetiology

A

AnHV-1 unassigned herpesvirus (genetically unique)

Anatid

37
Q

Pigeon Herpes Aetiology

A

CoHV-1

colombid

38
Q

Age of pigs susceptible to SMEDI

A 
to 30 days embryo: death, resorption
30-70d: death of fetus, mummification
from 70d: weak + mummified fetus, myoclonia congenita
adults: respiratory disease rare
neonates: systemic disease
39
Q

Age of dogs susceptible to Parvo

A

3-8weeks: sudden death, myocardial damage, high motality

above 8 weeks: enteritis

Epidemiology 2 (52 decks)

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