Student presentations Flashcards
What family of virus is African Swine Fever?
Asfarviridae
What is the biological vector of African Swine fever?
Ornithodoros moubata
What are the clinical signs of African Swine Fever?
Fever
Disseminated hemorrhaging
high mortality
How is African Swine Fever diagnosed?
PCR is the gold standard
What is the treatment for African swine fever?
There is no specific treatment available
Is there a vaccine for African Swine Fever
No currently effective
What is the prognosis of acute African Swine Fever?
100%
What does the chronic form of ASF produce?
Necrotic skin lesions
Respiratory disease
Is ASF zoonotic?
NO
What does disease control of ASF involve?
Early detection
Laboratory diagnosis
Strict sanitary measures
What does FAD stand for?
Foreign Animal Disease
What does PRRS stand for?
Porcine Reproductive and Respiratory Syndrome
PRRS is a viral disease characterized by what?
Reproductive impairment or failure in breeding
Respiratory disease
What is the most economically significant disease to affect the US swine production?
PRRS
What family is the PRRS virus in?
Arterivirus
What is highly infectious but not highly contagious?
PRRS
Replication of PRRS is primarily seen in what?
Lymphoid tissues
Can PRRS cross the placenta?
Yes
What are the clinical signs of PRRS
Asymptomatic Anorexia Fever Lethargy Depression Respiratory distress Vomiting
What are the respiratory signs of PRRS?
Pneumonia
Sneezing
Expiratory dyspnea
How is PRRS diagnosed?
Clinical signs and history
ELISA is most common
Is there treatment for PRRS?
No specific treatment
Is there a vaccine for PRRS?
Yes a modified live vaccine
What is s DNA herpes virus that can cause convulsions and intense itching?
Pseudorabies
Pseuodorabies is know as what in other species?
Mad itch
Who is the only natural host of pseuodorabies?
Swine
Pseudorabies can infect most mammals, these are the dead-end host, what happens to them once infected?
Dead in 2-3 days
How is pseudorabies diagnosed?
Suspected based on reproductive failure in sows
Serology, virus, isolation and PCR
Is there treatment for pseudorabies?
No
Is there a vaccine for pseudorabies?
Yes, a very effective vaccine.
IM modified live
Intranasal piglets 1-7 days old
Produces positive blood sample
What is the prognosis of pseudorabies?
Very poor
Almost always fatal
What diseases are of concern in the wild of hawaii
Pseudorabies
Leptosporosis
Brucellosis
What is a contagious and fatal disease that affects the respiratory, nervous and digestive systems of birds and poultry?
Virulent Newcastle Disease
What are the clinical signs of virulent newcastle disease?
Sudden death Irregular/difficult breathing Greenish watery diarrhea Weakness Torticollis
What is torticollis?
Turning of the head
Newcastle virus is often misdiagnosed as what?
Avian influenza
Laryngotracheitis
Is there a treatment for Newcastle virus
No
Antibiotics can be prescribed to prevent secondary infection
Separation
What is the prognosis of NewCastle disease?
Mortality rate up to 100%
What is the mortality rate in vaccinated chickens?
30-60%
Is there a vaccination for Newcastle Disease?
Yes
Intranasal or Intraocular
Via drinking water
Does the vaccine protect against infection?
No
Is Newcastle disease zoonotic?
Yes
What are the symptoms of Newcastle disease in people
Eye inflammation
Mild fever-like symptoms
Is Newcastle disease caused by eating poultry in people?
No
Handling infected birds transmits the disease
The ELISA test detects NDV in what?
Chicken embryos and tissues
What is also known as avian pox or bird pox?
Fowl pox
How is fowl pox transmitted?
Contact with skin lesions
Aerosol from scab shed
Mosquitos, biting insects
What are the two different forms of fowl pox?
Wet pox (Diphtheritic) Dry pox
Dry pox causes lesions where?
Any non-feathered areas Comb Wattle Legs Eye region
The wet pox causes what?
Slightly elevated white opaque nodules on mucous membranes
What are the clincial signs of fowl pox?
Scab like lesions on unfeathered areas Nasal discharge Closure of one or both eyes Weight loss Low water consumption Respiratory difficulty Lesions on internal organs
What are the main species affected by fowl pox?
Chickens and turkeys
How is fowl pox diagnosed?
Clinical signs Histopathology of lesions Virus isolation ELISA Fluorescent antibody tests
Is there a vaccination for fowl pox?
Yes
Recombinant and live modified
Is there treatment for fowl pox?
No
Broad spectrum antibiotic to reduce secondary bacterial infection
What is the mortality rate of wet and dry pox?
Wet pox is 50%
Dry pox is 1-5%
Is fowl pox zoonotic?
No
What is Avian influenza caused by?
Orthomyxoviridae virius
Type A influenza virus
What species are affected by avian influenza?
Wild aquatic birds (naturally)
Turkeys & chickens
Horses, whales, pigs, humans
Ducks
How is avian influenza transmitted?
Fecal oral transmission
What is the mortality rate of avian influenza?
100% within a few days
What are the clinical signs of avian influenza?
Sudden death Cessation of egg laying Respiratory signs Increased lacrimation Edema of the head and face Cyanosis Diarrhea Ataxia Tremoring Rales
What species are considered reservoirs of avian influenza?
Dabbling ducks
Wild aquatic birds
How do you diagnose avian influenza?
Clinical signs
Virus isolation
Serology (AGID or ELISA)
Necropsy
How is Avian influenza treated?
Supportive care and vaccination
Which version of Avian influenza causes no symptoms or mild disease?
Low Pathogenic Avian Influenza
What version of Avian influenza causes severe disease and high mortality in infected poultry, up to 90% to 100% mortality?
Highly pathogenic avian influenza
Can low pathogenic turn into highly pathogenic?
Yes
Is avian influenza zoonotic?
Yes
