-- Migration: Add afkir column
-- Date: 2026-04-19
-- Description: Adds afkir (culled chickens) column to mortality_records

-- Add new column (safe: idempotent, non-destructive)
ALTER TABLE mortality_records
ADD COLUMN IF NOT EXISTS afkir INTEGER DEFAULT 0;

-- Optional: Add comment for documentation
COMMENT ON COLUMN mortality_records.afkir IS 'Daily culled chickens count (removed due to poor quality)';