Most meat spots are tiny pieces of tissue from the hen’s oviduct. They are usually brown in color, and found in the thick albumen, chalazae, or the yolk. They range in size from 0.5 mm to more than 3 mm in diameter. They are sterile and harmless. The spot can be removed with the tip of a knife, if you wish. The incidence of meat spots ranges from less than 3% to 30% or more. It varies with the strain of bird, increases with the age of bird and may be higher in brown eggs. Many meat spots are too small to be detected by candling, especially in brown eggs.