Blue Eye Disease Flashcards

Question	Answer		Article
What causes Blue eye disease in pigs?	Blue-eye paramyxovirus (BEP) - a negative sense single stranded RNA (ssRNA) virus.		Link to Article
What systems are affected by Blue eye disease?	Nervous systems Reproductive systems Respiratory systems		Link to Article
What ages of pigs are affected by this disease?	All: Piglets Weaners Growers Sows Boars		Link to Article
What clinical signs are generally associated with Blue eye disease in all ages of pigs?	Anorexia Weight loss 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)		Link to Article
What clinical signs are associated with sows?	In the first third of gestation: Infertility Reproductive failures Embryonic mortality Return to oestrus In late gestation: Stillbirths Small litters Mummification		Link to Article
What clinical signs are associated with piglets and weaners?	Piglet and weaners: Prostration Hind limb stiffness Generalised weakness Muscle fasciculation’s Retarded growth Depression Excitation Head pressing Circling Hyperaesthesia Abnormal behaviour/aggression Coma In piglets: Changes in hair coat (dull/rough) Ocular erosions Enlarged distended bladder Constipation/reduction in faces or diarrhoea		Link to Article
What clinical signs are associated with boars?	Male infertility Lack of libido Haemospermia Orchitis with epidydimitis Swelling of the genitalia		Link to Article
What is the epidemiology of Blue eye disease?	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 likely		Link to Article
What is the distribution of Blue eye disease in pigs?	The disease is economically important to Central Mexico and its states.		Link to Article
What is the treatment for Blue eye disease?	No treatment is available for Blue eye disease Supportive medication for respiratory and inflammatory disease should be administered		Link to Article
How is Blue eye disease controlled?	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		Link to Article

Further links

Actinobacillus suis

Blue-Eye Paramyxovirus Flashcards

Blue-Eye Paramyxovirus