y 



Massachusetts 

 agricultural experiment station 



''^'--' :-: )M 



Bulletin No 411 January 1944 



Variability in Egg Weight 

 in Rhode Island Reds 



By F. A. Hays 



Market grades of eggs are based largely on weight, and it is important, there- 

 fore, for the breeder to know how much variability in egg weight may be con- 

 sidered normal and how much is due to genetic factors. 



MASSACHUSETTS STATE COLLEGE 

 AMHERST, MASS. 



