Digestive Coefficients of Poultry Feeds, etc. 
31 
Pjq 21. Amount of Grit Remaining in the Gizzards oi Hens at 
Each Period. 
Hen No. 13, killed 124th day. 
Hen No. 14, killed 143d day. 
Hen No. 15, killed 143d day. 
Hen No. 16, killed 144th day. 
Hen No. 17, killed 150th day. 
Hen No. 18, killed 154th day. 
Wt. gizzard, 14.13 gms. 
Wt. gizzard, 9.86 gms. 
Wt. gizzard, 9.86 gms. 
Wt. gizzard, 13.23 gms. 
Wt. gizzard, 11.96 gms. 
Wt. gizzard, 11.76 gms. 
Wt. grit, 
Wt. grit, 
Wt. grit, 
Wt. grit, 
Wt. grit, 
Wt. grit, 
JS 
the End of 
5.63 gms. 
4.75 gms. 
4.75 gms. 
9.59 gms. 
6.51 gms. 
5.96 gms. 
