318 



MASS. EXPERIMENT STATION BULLETIN 259 



Table 6.- — Relation of Age of Mothers to Weight of Chicks. 



MALES FEMALES TOTAL 



Year Mothers- 



Average weight Average weight Average weight 



Number Grams (Lbs.) Number Grams (Lbs.) Number Grams (Lbs.) 



At 4 Weeks of Age 



At 16 Weeks of Age 



1918 Pullet 

 Hen 



1921 Pullet 

 Hen 



Total Pullet 

 Hen 



427 

 248 

 505 

 65 

 932 

 313 



1617.3 (3.57) 



1720.3 (3.79) 



1482.3 (3.27) 



1443.7 (3.18) 



1544.1 (3.40) 



1662.9 (3.67) 



458 

 262 

 613 

 64 

 1071 

 326 



1249.3 (2.75) 

 1302.7 (2.87) 



1185.4 (2.61) 

 1134.0 (2.50) 

 1212.7 (2.67) 

 1269.6 (2.80) 



510 

 1118 



129 

 2003 



639 



1426.8 (3.15) 



1505.8 (3.32) 

 1319.5 (2.91) 

 1290.0 (2.84) 



1366.9 (3.01) 

 1462.2 (3.22) 



At 21 Weeks of Age 



