Health
Heat Stress in Poultry: What the THI Index Means for Your Flock in Kigali's Dry Season
By Dr. David Ochieng
·
25 March 2026
·
7 min read
Kigali's June–September dry season regularly pushes the THI above 79 — the threshold where broiler performance drops significantly.
Below 72: Safe. 72–78: Mild stress. 79–88: Moderate stress. Above 88: Severe, high mortality risk.
Double drinker capacity, maximise ventilation 11 AM–4 PM, reduce stocking density to 12/m², move 60% of feed to morning and evening sessions.
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