Term
| Parmyxoviridae Characteristics |
|
Definition
enveloped, pleomorophic, large
heat, acid, and lipid sensitive
ssRNA, negative sense
VAP is hemagglutinin-neuraminidase
fusion (F) protein allows for pathogenesis |
|
|
Term
| Parmyxoviridae Entry, Replication, Release |
|
Definition
via F (fusion) protein
replicates in cytoplasm
release by budding |
|
|
Term
|
Definition
respiratory epithelium
GI epithelium
neurons |
|
|
Term
| Parmyxoviridae Pathogenesis |
|
Definition
damage to respiratory epithelium and mucociliary apparatus
synctial formation causes cellular dysfunciton
neuronal cell death in some viruses |
|
|
Term
| Parmyxoviridae Transmission |
|
Definition
respiratory, orofecal route
transovarian in avian |
|
|
Term
| Newcastle Disease Characteristics |
|
Definition
Reportable avian disease
zoonotic (mild flu disease in humans) |
|
|
Term
|
Definition
high mortality
decreased weight gain
decreased egg production |
|
|
Term
| Newcastle Disease Tropism |
|
Definition
pneumotropic
enterotropic
neurotropic
viscerotropic |
|
|
Term
| Newcastle Disease Pneumotropic Strains/Signs |
|
Definition
lentogenic strain-subclinical to mild respiratory disease
mesogenic strain-respiratory disease with low mortality |
|
|
Term
| Newcastle Disease Enterotropic Strains/Signs |
|
Definition
velogenic strain-virulent
severe GI disease and possibly respiratory tract involved |
|
|
Term
| Newcastle Disease Neurotropic Strains/Signs |
|
Definition
all strains if the animal survives long enough
reflects chronic infection |
|
|
Term
| Newcastle Disease Viscerotropic Signs |
|
Definition
exotic Newcastle Disease
affect internal organs |
|
|
Term
| Newcastle Disease Pathogenesis |
|
Definition
primary replication in mucosal epithelium
Viremia and systemic spread
Secondary replication in visceral organ
Secondary viremia enters CNS |
|
|
Term
| Newcastle Disease Transmission |
|
Definition
respiratory, orofecal route
transovarian |
|
|
Term
| Newcastle Disease Control |
|
Definition
MLV lentogenic strain
sanitation
control black market birds |
|
|
Term
| Bovine Parainfluenza Signs |
|
Definition
acute respiratory infection
mild to subclinical |
|
|
Term
| Bovine Parainfluenza Characteristics |
|
Definition
| part of the enzootic pneumonia/shipping fever complex |
|
|
Term
| Bovine Parainfluenza Control |
|
Definition
|
|
Term
|
Definition
acute generalized disease
must differentiate between CAV-1
pulmonary form
enteric form
neurological form - bubblegum seizures, grand mal seizures, paralysis and death within 1 month
hard pad disease-hyperkeratosis footpad and nasal epithelium |
|
|
Term
| Canine Distemper Pathogenesis |
|
Definition
primary replication in respiratory epithelium, macrophages, bronchial lymph nodes, pharyngeal lymph nodes, GI tract
cell associated viremia in macrophages, monocytes, lymphocytes in 7-14 days
pantropic infection including CNS
immunodeficiency, hypogammaglobulinemia |
|
|
Term
| Canine Distemper Transmission |
|
Definition
| secretions, excretions, wildlife reservoirs |
|
|
Term
|
Definition
measles virus vaccine
MLV vaccine |
|
|
Term
| Bovine Respiratory Synctial Virus Characteristics |
|
Definition
affects cattle and sheep
very labile virus
enzootic |
|
|
Term
| Bovine Respiratory Synctial Virus Signs |
|
Definition
| mild to severe respiratory disease |
|
|
