Preen Gland Questions


8 Years
Apr 9, 2011
Meridian, ID
As a newbie to raising chickens, I finally figured out what the little nub is on the base of the tail under the feathers, it's the Preen Glad! I have seen them several times, mainly when I am checking for parasites and dusting. My questions are, is it bad to dust the Preen Gland when treating for parasites, and my other question is some of my hens have what appears to look like small dirt flecks in the feathers around and on the Preen Gland, is this normal or am I seeing mites? I chose to post my question under this Forum since I wasn't sure if I am dealing with parasites or not. I must admit that I have had problems with poultry lice previously, but I know what they look like so I know that is not what I am seeing.


Treat Dispenser No More
11 Years
Aug 20, 2010
There's no harm in dusting the preen or oil gland. In fact it's likely going to be hard to avoid. They do get a bit of oil from that to put on their feathers so will ingest a bit but if it's considered safe to use on them, that's been taken into consideration.

Those dirt flecks could be mites if they are around the base of the feathers.

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