Digestive Coefficients of Poultry Feeds, etc 
29 
Fig 9 Amount of Grit Remaining in the Gizzards of Hens at 
Each Period. 
Hen No. 1, killed 
Hen No. 2, killed 
Hen No. 3, killed 
Hen No. 4, killed 
Hen No. 5, killed 
Hen No. 6, killed 
14th day. Wt. 
14th day. Wt. 
21st day. Wt. 
21st day. Wt. 
28th day. Wt. 
28th day. Wt. 
gizzard, 13.00 
gizzard, 21.00 
gizzard, 12.01 
gizzard, 19.03 
gizzard, 13.46 
gizzard, 28.19 
gms. 
Wt. 
grit, 
gms. 
Wt. 
grit, 
gms. 
Wt. 
grit, 
gms. 
wt. 
grit, 
gms. 
wt. 
grit, 
gms. 
wt. 
grit, 
the End of 
9.50 gms. 
13.11 gms. 
8.31 gms. 
16.93 gms. 
11.87 gms. 
22.65 gms. 
