Can you buy it online?
My sister bought it locally at a seed store. But we have a fairly large turkey industry here in the Midwest so it's easy for local merchants to get hold of it.
Chicken manure may be easier to find:
https://www.amazon.com/Hoffman-20505-Dehydrated-Manure-Pounds/dp/B001ACPQGK
What are you growing that strictly needs Nitrogen? Salad greens?
Or do you have a deficiency in the soil you’re trying to correct?