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
In what systems are affected by Blue eye disease?	Systems: 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?	General signs include anorexia, weight loss, reluctance to move, dehydration, periorbital and conjunctival swelling (chemosis) and purulent/serous ocular discharge and corneal opacity. 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.		Link to Article
What clinical signs are associated with sows?	In sows the disease causes infertility, reproductive failures, embryonic mortality and return to oestrus in the first third of gestation and stillbirths, small litters and mummification in late gestation.		Link to Article
What clinical signs are associated with piglets and weaners?	Piglet and weaners suffer from prostration, hind limb stiffness, generalised weakness, muscle fasciculation’s, retarded growth, depression, excitation, head pressing, circling, hyperaesthesia, abnormal behaviour/aggression and coma. In piglets the disease also causes changes in hair coat (dull/rough), ocular erosions, enlarged distended bladder and constipation/reduction in faces or diarrhoea.		Link to Article
What clinical signs are associated with boars?	In the boar it causes male infertility, lack of libido, haemospermia, and orchitis with epidydimitis and swelling of the genitals.		Link to Article
What is the epidemiology of Blue eye disease?	The virus can be found in the axon of neurons from its original site of replication, which is thought to be the nasal mucosa and tonsils. It is also found in tissues such as lung, liver, spleen, kidney, lymph node, heart and testis; suggesting that the virus is spread hematogenously.		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 ?	There is no treatment for Blue eye disease *Supportive medication for respiratory and inflammatory disease should be administered		Link to Article
Ho is Blue eye disease controlled?	The disease is self limiting and closed herds will have sporadic outbreaks of the disease once a herd is infected. There is no approved vaccine for the control of blue eye disease Eliminating blue eye disease from affected herds can be achieved by Closing the herd Running an all-in/all-out systems Following good washing and disinfecting protocols.		Link to Article

Further links

Actinobacillus suis

Blue-Eye Paramyxovirus Flashcards

Blue-Eye Paramyxovirus