Sorry I couldn't understand a word but, I only know english for the most part.
I did gather that they use the manure for fertilizer, and bird manure IS really high in nitrogen, a little goes a long way.
Yes, and when people understand the nature of coturnix, they will throw you money for their poop, eggs, and meat....because, that's what people just do.
Yes, I have that business model tucked away in my ruby slippers...somewhere...I forget!
It's like that giant pumpkin thing....Yes, you can grow a giant pumpkin, but you would probably do better trying to raise some sort of normal size thing.