From this thread: https://www.backyardchickens.com/t/867541/important-information-on-ivermec-warning-autopsy-photos
-Kathy
For the past year of owning chickens I have used just ivermec sheep pour on for control of parasites and internal worms. I did research and read in several places that in treats All worms.. I found out the hard way that this isn't true.
I purchased a nice silkie about to months ago to join my flock, she seemed a bit lethargic when I got her home so I wormed her with ivermec and put her in quarantine. Over the next few months she didn't improve. I followed all the recommendations for a sick chicken and gave her some different medicines. She died a few days ago.
Because I was curious as to what she died from I did an autopsy, thinking maybe I would find cancer or a blockage In her gut. Wrong again!
I took the courage up and cut her open and took all the guts out. Definitely not for the weak stomach, it smells (and looks) disgusting! Both caecals were inflamed but other then that I couldn't see much wrong.
I them decided to cut her intestine to look inside to check for damage. Thats when u saw it.. The intestines almost burst open! Absolutely infested with round worms! Still all wriggling around. My poor baby! No wonder she died!
If I just did a simple faecal test at the beginning she might still be here but my ignorance and my belief that ivermec was effective probably killed her!
My lesson, buy wormer that's designed for chickens that specifically states kills all worms..
-Kathy
