…and now it gets really interesting…starting in the pre-dawn darkness… and a pasture alive with blinking red lights. It’s the heat detectors…right on schedule at 48 hours. When a cow goes into heat, another mounts it, crushing the chemical patch on its rump. One of Carolyn’s jobs is thawing the semen straws. That’s what that pot next to her arm is for. No time to waste! And the deed is done. But it’s a slow process at the end…finding just the right spot…then pushing the plunger to deposit the semen. It’s a process that’s repeated 29 times over three days…matching cow, heat, and the right bull. Hard work…and cold…but satisfying.…