Assigning priorities for research on sheep diseases relies in part on understanding the prevalence and economic impact of each disease.
Eperythrozoon ovis infection in sheep, for example is a common, but not costly, disease.
"Understanding the importance of Eperythrozoon ovis infection in sheep,"
Journal of the Department of Agriculture, Western Australia, Series 4: Vol. 33
, Article 8.
Available at: http://researchlibrary.agric.wa.gov.au/journal_agriculture4/vol33/iss3/8