A bar graph with a scale of 0 to 4 on the
left hand side increasing by 1 each time. The words MS/MS Pepticides are written
on the left side and right side. The scale on the right side starts at 0 and goes
to 20 increasing by 5 each time. The bottom axis lists four seminal proteins.
A light purple bar shows inefficient bulls and a dark blue bar shows efficient
Proteins Hint at Sexual Maturity and Feed Efficiency in Young Beef Bulls