| Show st Calcium Sources I I for the Poultry Flock Jin In n a recent test conducted by th the sultry poultry husbandry department of Iowa tote i te college Ames It was found that st et results were secured when the estone user used ns as a n grit for the till poul poul- S flock was ver very hard practically lire aye calcium carbonate and low In Softer limestone tone did Id not such results ns as did cUd the hard limp lime one jone ne Oyster ster shell clam dam shell and lime lime- tone Jone were fed feel In III the e experiment and was found that the amount of ot the tIto sit jut material consumed was directly to tho the number of egl eggs i Ml it by hS' the hens on test The expert expert- nent nt Indicated that the calcium ref re- re f lIts of or the tile h liens hens ins were fully met mN lInH J limestone ns us well as ns by h the other |