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Porcine abortion caused by Actinobacillus equuli
Journal of the American Veterinary Medical Association
|October 1, 1976
Summary
Actinobacillus equuli caused abortion in a piglet, presenting peracute embolic septicemia. This isolated case suggests an individual animal issue, not a herd-wide abortion outbreak.
Area of Science:
- Veterinary Pathology
- Bacteriology
- Swine Health
Background:
- Actinobacillus equuli is a known bacterial pathogen affecting various animal species.
- Septicemic actinobacillosis can manifest in swine, typically in older animals.
- Bacterial infections are a significant concern in porcine reproductive losses.
Observation:
- Actinobacillus equuli was identified as the causative agent in a spontaneously aborted porcine fetus.
- The fetus exhibited pathological lesions consistent with peracute embolic septicemia.
- These lesions mirrored those observed in systemic actinobacillosis in other swine age groups.
Findings:
- The isolation of Actinobacillus equuli from an aborted porcine fetus confirms its role in this specific case.
- The observed fetal lesions indicate a rapid, widespread bacterial infection (septicemia) originating from emboli.
- The pathological presentation aligns with established patterns of A. equuli-induced septicemia.
Implications:
- This finding highlights the potential for Actinobacillus equuli to cause abortion in swine, even in young fetuses.
- The case suggests that A. equuli infections leading to abortion may occur sporadically in individual animals rather than causing widespread herd problems.
- Further investigation into the pathogenesis and transmission of A. equuli in swine may be warranted.