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Loading the setter room

Loading the setter room

Written by Martin Barten, Senior Hatchery Specialist

Last year, I was in a hatchery that had been operational for just a month or two and that had a problem with the alarms on the setters for advanced embryos, which kept going off. As I investigated the alarm, it became clear that the temperature could not be kept at set point.

I quickly realised what was going on. As the hatchery had gradually started up, they had developed a routine that was now causing problems. The setters were loaded in chronological order, so first setter 1, then setter 2 on the same day; the next day the neighbouring setters were loaded, and so on. At first sight, this would seem to be very logical, as it is easy to work out where you have to go in the setter room for the youngest and the oldest embryos. However, the downside to this routine came to light when the first setters had been running for 16 to 18 days. All of the setters containing advanced embryos were in the same area of the setter room and, as these embryos produce a lot of heat, the setters require a lot of cooling water. With so many setters close to each other demanding sufficient cooling water, there was an issue of competition and some setters barely got enough and were therefore at risk of overheating. Of course, whether this happens or not depends a lot on the cooling water temperature and pressure as well as on the...

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