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Small Ruminant Lentiviruses and Caseous Lymphadenitis.

Holly J Neaton1, Cindy Wolf2

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Summary
This summary is machine-generated.

Small ruminant lentiviruses (SRLVs) cause significant economic losses in sheep and goats by damaging healthy tissues. Understanding SRLVs and caseous lymphadenitis (CL) aids in disease prevention and eradication.

Keywords:
Caprine arthritis encephalitis (CAE)Caseous lymphadenitis (CL)Maedi-visna virus (MVV)Ovine progressive pneumonia (OPP)Small ruminant lentivirus (SRLV)

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Area of Science:

  • Veterinary Medicine
  • Infectious Diseases
  • Animal Health

Background:

  • Ovine progressive pneumonia and caprine arthritis encephalitis are collectively known as small ruminant lentiviruses (SRLVs).
  • SRLVs and caseous lymphadenitis (CL) are significant "iceberg diseases" affecting sheep and goats.
  • These diseases lead to economic losses through reduced milk production, poor growth, joint issues, and decreased animal lifespan.

Purpose of the Study:

  • To elucidate the characteristics of small ruminant lentiviruses (SRLVs).
  • To understand the bacterial agent responsible for caseous lymphadenitis (CL).
  • To review available serologic tests for SRLV and CL for effective management.

Main Methods:

  • Literature review on SRLV and CL characteristics.
  • Analysis of serologic diagnostic test principles and applications.
  • Synthesis of information for disease prevention and eradication strategies.

Main Results:

  • SRLVs replace healthy tissue with lymphoid tissue, impacting animal productivity.
  • Caseous lymphadenitis is a bacterial disease with significant economic implications.
  • Effective use of serologic tests is crucial for identifying infected animals.

Conclusions:

  • A comprehensive understanding of SRLVs and CL is vital for controlling these diseases in small ruminants.
  • Utilizing available serologic tests aids in the prevention and eradication efforts.
  • Improved diagnostic strategies can mitigate the economic impact of these "iceberg diseases".