I ended up dry incubating my duck eggs after day 10 when I realised they weren't losing moisture fast enough. I ignored all the standard stuff about duck eggs needing more humidity than chicken eggs and just went with my trusty set of digital scales, Brinsea's recommendation of a 15% weight loss, and some common sense. Come lockdown I bumped my humidity from 30% to 75-80% and sat back to wait...
The first one pipped yesterday morning, and did nothing more for well over a day. Having read about ducklings on this forum, I knew they normally take much longer than chickens to hatch, so I refused to get concerned. I went off out to work this morning, and came back home this evening to a huge beefy duckling just about filling my little incubator. Wow! I also have one more pipped, and another egg rocking and rolling in there.
Conclusion: If you're not sure what humidity to go with, weigh your eggs and you can get it right first time.
The first one pipped yesterday morning, and did nothing more for well over a day. Having read about ducklings on this forum, I knew they normally take much longer than chickens to hatch, so I refused to get concerned. I went off out to work this morning, and came back home this evening to a huge beefy duckling just about filling my little incubator. Wow! I also have one more pipped, and another egg rocking and rolling in there.
Conclusion: If you're not sure what humidity to go with, weigh your eggs and you can get it right first time.
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