Here's how I answered those questions, and animal control issued my pre-approval letter quickly:
1. Excrement - "The manure and straw will be composted. All compost piles are built within hardware cloth and covered securely with a tarp. Compost piles are turned regularly. All manure/compost will be kept only on private property, away from public walkways or easements."
Another thing I added when the AC officer came to inspect my property is that I've been composting for years and have had no trouble with the neighbors. Remember that neighbors are really their main concern with almost everyhing.
2. Vaccinations - "Chickens do not receive any vaccines under standard poultry practices in Colorado, according to Dr. Kate Anderson at the Colorado Dept of Agriculture and Curtis Utley at the CSU Ag Extension. The chickens are not spayed."
I did contact the people above prior to sending in my letter - I wasn't just making it up.
However, since submitting my letter I decided to get vaccinated chicks -- you can order them already vaccinated from McMurray. If they're not vaccinated, the medicated feed is a really good option, and I would be sure to include that info in your letter.
Hope this is helpful!
-Sundari
1. Excrement - "The manure and straw will be composted. All compost piles are built within hardware cloth and covered securely with a tarp. Compost piles are turned regularly. All manure/compost will be kept only on private property, away from public walkways or easements."
Another thing I added when the AC officer came to inspect my property is that I've been composting for years and have had no trouble with the neighbors. Remember that neighbors are really their main concern with almost everyhing.
2. Vaccinations - "Chickens do not receive any vaccines under standard poultry practices in Colorado, according to Dr. Kate Anderson at the Colorado Dept of Agriculture and Curtis Utley at the CSU Ag Extension. The chickens are not spayed."
I did contact the people above prior to sending in my letter - I wasn't just making it up.

Hope this is helpful!
-Sundari