Recent content by tadkerson

The calcium carbonate in the egg shell, around 97 % by weight, comes from the blood supply and ultimately the medullary bone (storge site for extra calcium carbonate) of the chicken. Put the crushed up egg shells into your chickens diet. The calcium and carbonate used to make the egg shell has...

here is an example of dominant white, with red and black. take a look at exchequers almost white spots on black- you might be able to get white spots on black due to modified mottling (exchequer) - not sure if there is a modifier that will do that - a bird that is brown at the E...

I would say it is the columbian gene that is not clearing the black like it should. Tim