What led Zoetis to expand the service from Embrex in ovo technology to include spray cabinet vaccination? Those vaccines typically get applied in the hatchery on the day of hatch, usually by spray cabinet vaccination. Why is it valuable for hatcheries to have an independent review from a Zoetis hatchery specialist when evaluating vaccination processes, particularly for spray vaccination? What are some common challenges you see with vaccination handling and mixing for spray vaccination and why do these steps matter so much for chick health and immune response? How can hatcheries know if they're doing a good job with spray cabinet vaccination?