Figure 3From: Pregnancy Rates in Repeat-breeder Heifers Following Multiple Artificial Inseminations during Spontaneous OestrusPlasma-cortisol concentrations (mean ± SEM, nmol/l) in RBH (n = 5; solid line) and VH (n = 5; dotted line) on Days 19 and 20 of the first oestrous cycle, during repeated manipulations per-rectum (including AI) in the second spontaneous oestrus, and on Days 3 and 6 of the following oestrous cycle.Back to article page