I9J9- THE LACTATION IMMEDIATELY PffECEDINC 

 THE EXPERIMENT 



CffOUP c 

 CROUP D 



■ UREA RA TION IN 1940 i Jl 



■ R£GOi»R RA TION {N 1940 i 



1910 -THE FIRST EXPERIMENTAL LACTATION 



Figure 1. Weekly Shrinkage in Milk Flow — Percentage Basis. 



