Hatching issues?

LydiaB

Crowing
12 Years
May 28, 2012
419
605
276
My first hatch I started with 48 eggs and got 3 ducklings. That one I know what went wrong- cheap incubator and the temp dropped when I put it in lockdown.
Round 2 I upgraded to a borotto 49 automatic incubator. I started with 15 shipped ancona eggs, 11 green eggs, and 23 white eggs. Most of the white eggs were from white star hybrids. My drakes are Ancona and blue Swedish. Green eggs are probably from welsh harlequin, black runner, Rouen, and possibly my very old Dutch hookbill.
When I went into lockdown I had 13 Ancona eggs developed, 11 green eggs, and 18 white eggs. I had 6 Ancona hatch, 7 green eggs, and 5 white eggs. The rest I left a couple extra days and they did not hatch. One duckling died in the incubator, I had helped it out as it had been stuck after zipping. I also had an additional white egg pip but die before zipping.

The first pip happened day 25, first hatch day 26, most hatches day 27-28, and last one day 29.

My question is why the low hatch rate? The eggs were all set within 5 days of lay and if anything the green eggs were older than the white ones- I only get 3 green eggs per day at the most. I set all the green eggs and only the fresher white ones. All eggs were clean and unwashed.
The temperature and humidity were spot on the whole hatch according to the incubator. The hygrometer I use did say 97.5 for temp but I decided to trust the incubator. Might have been a mistake. I rearranged the eggs three times (inner to outer on turning tray). The only thing I’m not sure about is if the turner worked the whole time. After 10ish days it seemed to stick to one side. I did manually turn them when it wasn’t turning. But not as often, and days I worked it wasn’t 3 times a day. I followed the misting and cooling per incubator instructions- turn it off and open for 15 minutes, mist with warm water, close and turn back on. Days 8-24.

Is my issue with my breeding stock or my method? I was hoping for a lot more success with a high end incubator. I’m not surprised with the low hatch rate for shipped eggs, just my home eggs. Overall I started with 49 eggs and ended up with 17 live ducklings. One dead in incubator, one pipped no hatch.

I’m planning to try again the end of next week with 2 dozen shipped eggs. That hatch I’m also planning to do shipped chicken eggs, but start them a week later so the hatch is at the same time.
 

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Your ducklings are adorable. It could be the temperature. Can you get a calibrated thermometer and test your incubator before the next hatch?
 
I agree, with the first baby hatching on day 25, I very much doubt that your temps were low 🤔

What was your humidity early, and at lockdown?

Did you candle/ pull any along the way, or, did you lock them all down?

How much did your humidity spike on those heavy hatch days? Were you able to at least grab the open eggs out to keep it somewhat stable? ...although sometimes I wonder about that... one of my best hatches started when I was at work- humidity was over 90 when I got back, almost all of those babies hatched 😂

Hopefully someone else will have better ideas.
My last hatch was a disappointment as well. I do turkeys and ducks in our bator.
 
I agree, with the first baby hatching on day 25, I very much doubt that your temps were low 🤔

What was your humidity early, and at lockdown?

Did you candle/ pull any along the way, or, did you lock them all down?

How much did your humidity spike on those heavy hatch days? Were you able to at least grab the open eggs out to keep it somewhat stable? ...although sometimes I wonder about that... one of my best hatches started when I was at work- humidity was over 90 when I got back, almost all of those babies hatched 😂

Hopefully someone else will have better ideas.
My last hatch was a disappointment as well. I do turkeys and ducks in our bator.
Humidity was 50-60% throughout. I tried to keep it closer to 50 but it was generally 55.
I don’t think it got past 80% at hatch. I was under the impression you don’t open the incubator under any circumstance… so it wasn’t opened until I finally caved at 24 hours and did a daily clean out after that (removed babies and shells).
I didn’t candle during lockdown. I did take out infertile eggs but that was around day 7. After that all seemed good.
I’m currently hatching another batch, I have 22 duck and 20 chicken eggs. Although I’m thinking only 12 chicken are fertile. I decided to give them 2 weeks before I toss any. All of these are shipped eggs. I’ll probably go with a more hands on approach this time.
 
I spoke too soon. Tossed 3 more this morning. But the rest look good I think. So we have 21 duck and 17 chicken eggs still in the bator. And I’m officially fed up with shipped eggs 😂 but it’s the best way to add breeds atm.
 

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