Jersey heifer, light fed, age 4 years, calved at 22 months, weight 701 pounds, 

 height at withers 47 inches. 



Jersey heifer, light fed, age 4 years, calved at 35 months, weight 816 pounds, 

 height at withers 49.1 inches. 



FIG. 40. Influence of age at first calving upon size. 



