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Progressive atrophic rhinitis in a medium-scale pig farm in Kiambu, Kenya
J K Wabacha1, J M Maribei, A G Thaiya
1Department of Clinical Studies, Faculty of Veterinary Medicine, University of Nairobi, Kenya.
Journal of the South African Veterinary Association
|October 13, 2000
Summary
Progressive atrophic rhinitis in pigs caused sneezing, facial deformities, and reduced growth. Treatment with oxytetracycline offered partial relief, but economic losses were significant due to lighter carcasses.
Area of Science:
- Veterinary Medicine
- Animal Pathology
Background:
- Progressive atrophic rhinitis (PAR) is a significant swine respiratory disease.
- Early detection and economic impact assessment are crucial for herd management.
Observation:
- Clinical signs in 42/117 pigs included sneezing, nasal discharge, facial deformities (snout deviation, brachygnathia), and reduced growth.
- Acutely affected pigs showed weakness, while chronically affected pigs were smaller than penmates.
Findings:
- Oxytetracycline treatment reduced sneezing severity but did not eliminate it.
- Chronically affected pigs had 15% lighter carcasses, resulting in an economic loss of KSh 921.00 per pig.
- Histopathology confirmed PAR with turbinate atrophy, metaplasia of nasal epithelium, and lamina propria fibrosis.
Implications:
- PAR significantly impacts pig health, growth, and economic returns in affected herds.
- Effective treatment strategies and early diagnosis are vital for mitigating disease impact.
- Understanding the pathological changes is key for accurate diagnosis and disease control.
