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Blue Eye Disease Flashcards (view source)
Revision as of 14:22, 9 September 2011
, 14:22, 9 September 2011no edit summary
<FlashCard questions="11">
<FlashCard questions="15">
|q1=What causes ''Blue eye disease '' in pigs?
|q1=What causes Blue eye disease in pigs?
|a1= ''Blue-eye paramyxovirus (BEP'' - a negative sense single stranded RNA(ssRNA) virus.
|a1= Blue-eye paramyxovirus (BEP) - a negative sense single stranded RNA (ssRNA) virus.
|l1=Blue-Eye Paramyxovirus#Introduction
|l1=Blue Eye Disease#Introduction
|q2=In what systems are affected by ''Blue eye disease''?
|q2=What viruses are closely related to it?
|a2= Systems:
|a2=
*Mumps virus
*Simian virus 5
|l2=Blue Eye Disease#Introduction
|q3=What are the properties of this virus?
|a3=
*mainly spherical but it is polymorphic
*enveloped - which is covered in surface projections
*135-148nm by 257-360nm
*buoyant density in sucrose gradients of 1.21 g/ml
*six structural proteins and the envelope nucleocapsid expresses hemagglutinin-neuraminidase and fusion and matrix proteins.
*resistant to actinomycin D and sensitive to chloroform, formalin and beta propiolactone.
|l3=Blue Eye Disease#Introduction
|q4=What systems are affected by Blue eye disease?
|a4=
*Nervous systems
*Nervous systems
*Reproductive systems
*Reproductive systems
*Respiratory systems
*Respiratory systems
|l2=Blue Eye Disease#Introduction
|l4=Blue Eye Disease#Introduction
|q3=What ages of pigs are affected by this disease?
|q5=What are the wild and domestic hosts of this virus?
|a3= All:
|a5=
Domestic hosts include:
*Dogs
*Cats
*Pigs
Wild hosts include:
*Rabbits
*Rats
*Ferral cats and dogs
*Peccary's
Clinical signs are only seen in the pig, but antibodies can be detected in rabbits, rats, dogs and cats.
|l5=Blue Eye Disease#Signalment
|q6=What ages of pigs are affected by this disease?
|a6= All:
*Piglets
*Piglets
*Weaners
*Weaners
*Sows
*Sows
*Boars
*Boars
|l3=Blue-Eye Paramyxovirus#Signalment
|l6=Blue Eye Disease#Signalment
|q4=What clinical signs are generally associated with ''Blue eye disease '' in all ages of pigs?
|q7=What clinical signs are generally associated with Blue eye disease in all ages of pigs?
|a4=
|a7=
*General signs include anorexia, weight loss, reluctance to move, dehydration, periorbital and conjunctival swelling (chemosis) and purulent/serous ocular discharge and corneal opacity.
*Anorexia
*Weight loss
*Neurological signs include tetraparesis, opisthotonus, dysmetria, proprioceptive disorders, tremors, nystagmus mydriasis, blindness, decreased or absent menace response and respiratory signs; tachypnea, dyspnea, and open mouthed breathing.
*Reluctance to move
*Dehydration
*Periorbital and conjunctival swelling (chemosis)
*Purulent/serous ocular discharge
*Corneal opacity.
*Neurological signs (tetraparesis, opisthotonus, dysmetria, proprioceptive disorders, tremors, nystagmus mydriasis, blindness, decreased or absent menace response)
*Respiratory signs (tachypnea, dyspnea, and open mouthed breathing)
|l7=Blue Eye Disease#Clinical Signs
|l7=Blue Eye Disease#Clinical Signs
|q8=What causes ''Blue eye disease '' in pigs?
|q8=What clinical signs are associated with the virus in sows?
|a8=
|a8=In the first third of gestation:
|l8=Blue Eye Disease#Introduction
*Infertility
|q9=What causes ''Blue eye disease '' in pigs?
*Reproductive failures
*Embryonic mortality
*Return to oestrus
In late gestation:
*Stillbirths
*Small litters
*Mummification
|l8=Blue Eye Disease#Clinical Signs
|q9=What clinical signs are associated with the virus in piglets and weaners?
|a9=
|a9=
|l9=Blue Eye Disease#Introduction
Piglet and weaners:
|q10=What causes ''Blue eye disease '' in pigs?
*Prostration
|a10=
*Hind limb stiffness
|l10=Blue Eye Disease#Introduction
*Generalised weakness
|q11=What causes ''Blue eye disease '' in pigs?
*Muscle fasciculation’s
|a11=
*Retarded growth
|l11=Blue Eye Disease#Introduction
*Depression
|q12=What causes ''Blue eye disease '' in pigs?
*Excitation
|a12=
*Head pressing
|l12=Blue Eye Disease#Introduction
*Circling
|q13=What causes ''Blue eye disease '' in pigs?
*Hyperaesthesia
*Abnormal behaviour/aggression
*Coma
In piglets:
*Changes in hair coat (dull/rough)
*Ocular erosions
*Enlarged distended bladder
*Constipation/reduction in faces or diarrhoea
|l9=Blue Eye Disease#Clinical Signs
|q10=What clinical signs are associated with boars?
|a10=
*Male infertility
*Lack of libido
*Haemospermia
*Orchitis with epidydimitis
*Swelling of the genitalia
|l10=Blue Eye Disease#Clinical Signs
|q11=What is the epidemiology of Blue eye disease?
|a11=
*The virus is spread via direct contact, fomites and possibly birds
*Virus can be found in the axon of neurons
*Original site of replication is thought to be the nasal mucosa and tonsils
*It can be found in tissues (lung, liver, spleen, kidney, lymph node, heart and testis)
*Hematogenous spread is likely
|l11=Blue Eye Disease#Epidemiology
|q12=What is the distribution of Blue eye disease in pigs?
|a12=The disease appears restricted to Central Mexico and its states.
|l12=Blue Eye Disease#Distribution
|q13=What is the treatment for Blue eye disease?
|a13=
|a13=
|l13=Blue Eye Disease#Introduction
*No treatment is available for Blue eye disease
*Supportive medication for respiratory and inflammatory disease should be administered
*Euthanasia may be necessary for ataxic pigs.
|l13=Blue Eye Disease#Treatment
|q14=How is Blue eye disease controlled?
|a14=
*The disease is self limiting
*Closed herds once infected will have sporadic outbreaks of the disease
*There is no approved vaccine for the control of blue eye disease
*Elimination can be achieved by:
**Closed herds
**All-in/all-out systems
**Good washing and disinfecting protocols
|l14=Blue Eye Disease#Control
|q15=Is Blue eye disease considered a zoonosis?
|a15=
No
|l15=Blue Eye Disease#Introduction
</FlashCard>
</FlashCard>
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