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[Stomach ulcers in newborn swine].
Veterinarno-Meditsinski Nauki
|January 1, 1977
Summary
Newborn pigs can develop fatal stomach ulcers, often linked to hemolytic Escherichia coli infections. Early identification of contributing factors is crucial for preventing mortality in piglet populations.
Area of Science:
- Veterinary Pathology
- Microbiology
- Animal Science
Background:
- Stomach ulcers pose a significant mortality risk in neonatal piglets.
- Previous studies indicate multifactorial causes for gastric lesions in young swine.
Purpose of the Study:
- To investigate the etiology of stomach ulcers in newborn pigs.
- To identify the role of hemolytic Escherichia coli in ulcer development and mortality.
Main Methods:
- Establishment of stomach ulcers in 1-3 day old piglets.
- Necropsy and histological examination of affected piglets.
- Isolation and pathogenicity/toxigenicity studies of hemolytic Escherichia coli.
Main Results:
- 32 out of 40 piglets (80%) died within 24 hours.
- Necropsy confirmed gastric ulcers with varying lesion severity.
- Hemolytic Escherichia coli was isolated from affected piglets, suggesting a pathogenic role.
Conclusions:
- Hemolytic Escherichia coli is a significant contributing factor to stomach ulcer development and mortality in newborn pigs.
- Understanding etiologic factors is vital for effective disease management in piglet populations.