Animal Disease DVE

• what is DVE?

  Duck Virus Enteritis
• what is DVE referred to as?

  duck plague
• what kind of disease is DVE?

  acute, contagious, exotic
• what is an acute diseasE?

  rapid onset and short duration
• what is the causative agent of DVE?

  herpetoviridae with several strains
• what are the hosts of DVE?

  ducks, geese and swans
• where is DVE found?

  Europe, Asia, and NA
• what time of year is DVE most popular?

  spring
• why are ducks more susceptible to DVE in the spring?

  migration, reproduction, stress levels raised
• what is the incubation time of DVE?

  3-7 days
• what signs of DVE?

  death without overt clinical signs
• what are the signs of DVE if one should get them?

  bleeding from mouth or cloaca, diarrhea, swollen eyelids, droopy wings, inability to fly, prolapse of the penis, cold sores under the tongue
• what is destroyed when a duck is bleeding from the cloaca?

  epithelial tissues associated with blood vessels
• what is the transmission of DVE?

  virus sheds in feces or saliva (water and food)
• how can new hosts become infected with DVE?

  drinking, swimming, or feeding in contaminated waters
• how does the virus enter the new host?

  mouth, mares, cloaca, broken skin, eggs
• how can DVE be transmitted via arthropods?

  mosquitoes
• what happens once the virus enters the host?

  survivors are infected for life and will shed the virus occassionally
• what can cause an outbreak of DVE?

  stress
• what is the most susceptible species of DVE?

  blue-winged teal
• what is part of the body is attacked in DVE?

  epithelial tissues and GI tract
• what is a lesion?

  some sort of disruption of tissues
• what is necrosis?

  dead cells
• what is the diagnosis of DVE?

  necrosis or lesions in esophagus, intestines, cloaca, liver, spleen
• what happens to the GI tract when infected with DVE?

  bands, necrosis, bleeding, and cold sores
• what is the treatment for DVE?

  none
• how do you decontaminate an area with DVE?

  remove and burn carcasses, kill ducks in area, chlorinate waters, burn surrounding vegetation, disinfect wildlife personnel
• what is to be done with carcasses infected with DVE?

  burned
• what is the significance that DVE has to human health?

  none
• what is the case fatality rate of DVE?

  60%
• why is it hard for humans to detect DVE?

  birds tend to produce antibodies for virus