Herd health testing is important!
http://infovets.com/books/smrm/F/F108.htm
https://www.uaex.edu/publications/pdf/FSA-3095.pdf
Caprine arthritis encephalitis (CAE):
".. is a contagious viral disease of goats. The disease is typically spread from mother to kid through the ingestion of colostrum or milk. CAE virus may also be spread among adult goats through contact with body secretions including blood and feces of infected goats." https://articles.extension.org/pages/61393/caprine-arthritis-encephalitis-virus-cae
Johne's:
"Johne’s (pronounced “Yoh-nees”) disease and paratuberculosis are two names for the same animal disease. Named after a German veterinarian, this fatal gastrointestinal disease was first clearly described in a dairy cow in 1895. A bacterium named Mycobacterium avium subspecies paratuberculosis (abbreviated “MAP”) is the cause of Johne’s disease." https://johnes.org/goats/faqs/