Perhaps the most telling statistic: Seventy-eight percent of the cows are now bred on natural heats and 22 percent are bred on timed AI.
That is a complete reversal from a year ago (and years previous), when approximately 72 percent were bred on timed AI. Activity/rumination monitoring tightens the timeline, allowing the AI technician to get a better jump on things. At Mystic Valley, a technician comes at 8 in the morning and will inseminate any cow that has shown a blip on the activity/ rumination monitor since his last visit the previous afternoon. When he returns at 4 p.m., he will inseminate cows that have shown a blip since morning.
It appears from progressive producers like Breunig and Adams that activity/rumination monitoring has great potential for getting cows pregnant. Yet, no one wants to discount the tremendous progress that has been made over the years with estrus synchronization and timed AI. The next several years will see a transition, no doubt, as producers balance the technologies and find the right combination for their operations.