The color is actually used as added safety. Chlorhex is primarily used in the medical field. If everything was clear, it'd be too easy for people to accidentally use the wrong thing.
Most medicated feeds have amprollium added which will not treat, but will help chicks to fight off coccidiosis. It is strictly a health concern and not for growth.
It's been forever since I read about the study involving sterility so I can't give more details. I can say though that after...
Medicated feed is okay. Though, studies have shown that constantly feeding a medicated feed will allow them to build a resistance and be able to become infected with coccidiosis. A separate study also showed that some males that were only fed medicated feed became sterile. It is still...
Before you buy from a website, I would try finding someone nearby. Being able to see the birds or pickup the eggs and not worry about shipping eggs is always better. That aside, you can always find eggs for button quail on ebay.
A lot of people ask about how often they should candle eggs. To me, it's simple. One time during the entire incubation process.
I set my eggs and use an automatic turner. I do not candle them until I remove them from the turner. What's the point? I'm not going to replace that infertile egg...
All of my large group cages have indoor/outdoor access. It doesn't matter what the weather is like, they only go inside to lay eggs. Otherwise, they stay outside all night long.