I asked the same question- here's the answer:
You can mix and match colors to your hearts content.
Sizes are recommended as follows:
4 - baby chicks
5 - small pigeons
6 - month old chicks and medium pigeons
7 - bantoms and lg pigeons
8 - Leghorns, Anconas, Guineas
9 - Large Leghorns, games, Ducks
10 - Minorcas, Wyandottes, Crossbreeds
11 - Rocks, Reds
12 - Orpingtons etc
14 - Turkey hens, large males, geese
16 - turkey toms
You can mix and match colors to your hearts content.
Sizes are recommended as follows:
4 - baby chicks
5 - small pigeons
6 - month old chicks and medium pigeons
7 - bantoms and lg pigeons
8 - Leghorns, Anconas, Guineas
9 - Large Leghorns, games, Ducks
10 - Minorcas, Wyandottes, Crossbreeds
11 - Rocks, Reds
12 - Orpingtons etc
14 - Turkey hens, large males, geese
16 - turkey toms
