INCUBATING w/FRIENDS! w/Sally Sunshine Shipped Eggs No problem!

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FOOD FOR THOUGHT AND
WORDS FOR READING
see link at bottom......


In contrast to most other taxa, where only a single sperm enters the ovum, polyspermy is typical in birds. Several sperm enter the germinal disc region, hydrolyzing the IPVL via the acrosome reaction of the sperm, whereby the release of enzymes from the sperm acrosome enables the sperm nucleus to enter the ovum. However, only a single spermatozoon fuses with the female pronucleus and the remaining sperm are shifted to the periphery of the germinal disc and play no further part in development. Fertilization includes the penetration of ovum by sperm as well as the fusion of the male and female pronuclei (syngamy). Because embryo development begins almost immediately, many cell divisions have occurred by the time the ovum has become incorporated into the egg and the egg is laid (in most species) 24 hr later.
http://people.eku.edu/ritchisong/avianreproduction.html
 
Thanks.
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So the chicks really can zip and hatch with the egg upright?
(Sorry for all the questions.... I'm a slow learner)

They can hatch just fine upright

Also see this, Especially for shipped eggs!








TREATMENT AT LOCKDOWN.......
I personally have found that any shipped egg that survives to day 18 lockdown has an awkward but re-attached air cell so I lay my eggs down for hatch. Please refer to day 18 lockdown for more information on why laying eggs for hatching after day 18 is the best way to go.

REMINDER~ Never Set COLD eggs in the incubator.



Below image are Eggs in A Carton with Bottoms cut out for Ventilation



Below image of Turning damaged air cell Shipped Eggs, just lean to opposite side.
 
Hello everybody!!!
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Ok...I've officially given up trying to catch up in this thread since I'm now 6709 posts behind! I'm never, ever gonna catch up...lol!

But I have a question, so I'm just going to ask it. Has anyone ever set eggs that must have gotten cold enough to damage the air cells?? These are not shipped eggs, they're my own...and they only had to travel a few steps from the coop to the house so I know it isn't the shipping damage...lol.

It was during the low -20s when this happened and although I was gathering a couple 'o times a day...I'm guessing it still wasn't enough. I had three that showed rolling air cells...and I was like "what the....??" (Out of 5 eggs, I dropped the rest of the carton and broke everything else)
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I had done what I normally do...dated them and left them in the porch, upright in egg cartons where it's cooler...approx. 16C-19C (where they could warm up without a huge temp shock) to sit with the air cells up. I brought them into the kitchen to acclimatize to the warmer temps overnight when I was ready to set them. I marked them in the morning and I stuck 'em in my bator. I can't remember if I started them on their sides and then moved them upright when I discovered the rolling air cells or if I candled first looking for cracks and set them upright right from the beginning.
I "think" I set them on their sides for the first day or two (I candle at 2 days) and then I put them upright in my stationary rack that was still in from the last hatch.

I wasn't expecting anything to develop. I assumed if the eggs had gotten that cold, safe down to -2 I had read somewhere on here, they probably would be damaged. BUT, so far all the eggs are developing and are due to hatch this weekend. I did end up with two saddle cells so I'll see how that goes. But other than the cold, I can't imagine what else could have happened. I've never experienced this before with any of my eggs last summer/fall/ this winter and I haven't since. (of course it's warmed up here) Unless something shows up when I candle the 34 eggs I just put in. The previous eggs my family gathered and put upside down in the carton didn't damage the air cells/eggs and they hatched...
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Any thoughts?
 
Bubbles remind me and bring that up again, thats an area I need to add more info to for you... just in five directions at once right now
 
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