Show minerals WilUm provo quality of egi egg shells improvement in shell texture ot of eggs can be made in many cases by providing the foods that supply the mineral properties contained in the shell itself the shell ot of the egg contains about 00 per cent calcium carbonate and foodstuffs containing the minerals and vitamins necessary for shell production should help to increase In creasa the tha supply and bring about some improve improvement rp ent in shell quality shell grit or oyster loyster shell grit provides calcium carbonate buti but without vita vitamin vitamins minD D the tha hen mayno may not t be able to convert sufficient quantities to ao meet the demands foT for bone and eggshell egg shell formation |