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[Eperythrozoon infection in swine as a disease factor]
Berliner Und Munchener Tierarztliche Wochenschrift
|October 1, 1989
Summary
Eperythrozoon suis (E. suis) infections in pigs often remain latent but can cause significant blood count changes. Latent E. suis infections may also predispose pigs to other widespread infectious diseases.
Area of Science:
- Veterinary Medicine
- Animal Pathology
- Infectious Diseases
Context:
- Eperythrozoon suis (E. suis) infections typically present latently in swine.
- Clinical manifestations, including anemia, fever, and jaundice, occur under conditions of extreme stress.
- Factors like high animal density, poor climate, and concurrent diseases predispose pigs to clinical E. suis illness.
Purpose:
- To investigate the subclinical effects of E. suis infections on swine physiology.
- To explore the diagnostic potential of serological immune reactions for E. suis detection.
- To assess the role of E. suis as a potential predisposing factor for other complex diseases in swine.
Summary:
- Experimental infections revealed that latent E. suis infections induce notable alterations in red and white blood cell counts.
- Significant deviations in glucose and acid-base balance were observed in pigs with latent E. suis.
- Latent E. suis infections elicit detectable immune responses, suggesting a basis for herd-level diagnostics.
Impact:
- Findings highlight the subclinical impact of E. suis, affecting hematological and metabolic parameters.
- The study suggests that latent E. suis infections could serve as a diagnostic marker for herd health.
- Evidence indicates E. suis may act as a foundational infection, increasing susceptibility to other prevalent swine diseases.