*Caused by [[Retroviridae|retrovirus (lentivirus)]] similar to [[Respiratory Viral Infections - Pathology#Maedi Visna|Maedi Visna]] in sheep described above
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*Caused by [[Retroviridae|retrovirus (lentivirus)]] similar to [[Visna-Maedi Virus|Maedi Visna]] in sheep described above
*Two forms:
*Two forms:
**Non-suppurative leukoencephalomyelitis in young goats and kids
**Non-suppurative leukoencephalomyelitis in young goats and kids