That might depend on the amount of poison the mouse ingested and the time the mouse was already dead before the hen gobbled her down. The effect of newer poisons will last much longer than of older ones.
You could open up her beak to look inside for pinpoint haemorrhages (petechia) on her mucosa. And swipe her eyes with a moist tissue.
What was the exact active agent of the mouse poison used?
You could open up her beak to look inside for pinpoint haemorrhages (petechia) on her mucosa. And swipe her eyes with a moist tissue.
What was the exact active agent of the mouse poison used?