I appreciate all the suggestions but I still stumped. Their feed is the same, same nesting material, use unscented laundry detergent and hand soap--(but it is definitely the eggs) same nest box material we have always used...straw. They roam around over an acre with lots of landscaping so it...
I have had chickens for 8 years and this is something new. 2 or 3 of my hen's (I have 7) eggs have a strange chemical smell. This started a day or two ago. I am worried that a chemical is washing into the creek water that the hens have access to.
The smell is faint yet sickening. It smells a...