Fluctuating Temperature In Egg Hatching Incubator

I have received an email from Jenny asking for help regarding the temperature fluctuating in her incubator.

Hello,

My name is Jenny, I have an incubutor.. but I can not get it to hold it’s temperature… it’s up and down like a yo yo..

Can you help? I have now tried it twice and got nothing each time.

Regards Jenny

Hi Jenny,

Sorry to hear that your incubator temperature is fluctuating. Where do you have your incubator positioned? Incubators are most reliable if kept in a room with a constant temperature. The kitchen is not a good place fot an incubator as the fluctuating heat as the oven is used can affect the incubator. The incubator needs to be kept away from draughts and also away from a window where the sunlight can warm up the incubator in the day and then the incubator will get colder at night.

I have read that “The bulb of the thermometer may be placed inside a blob of Plasticine or similar to reduce changes in readings due to minor fluctuations and give an average reading.”

Is the thermometer working correctly? Can you check it against another thermometer? New thermometers should be checked against one known to be accurate.

Do you have the thermometer placed near the eggs? In a still air incubator the temperature varies vertically within the incubator and there may be a difference of several degrees between the bottom and the top of the incubator. The temperature should be kept at that required by the eggs at the level at which the eggs are kept. In order to monitor this, a thermometer should be placed at the same level as the eggs.

I am sure that you are aware that the temperature will alter when you open up the incubator, the temperature will fall when the door is opened to add, remove or manipulate eggs. So turning the eggs needs to be done quickly and carefully.

For normal development and good hatchability, eggs must be maintained within a narrow temperature range. Both too high and too low temperatures maycause problems with the hatch.

Here are some useful links regarding reasons for problems with hatching:
Reasons for a poor hatch rate or no hatching eggs in an incubator
Reasons for eggs hatching late
Reasons for pipped eggs but chicks not hatched
Reasons why fully formed chicks may not hatch out

Hope you can get your incubator to give you good results. Good luck with future hatching.
Kind regards
sara @ farmingfriends

Do you have any tips for Jenny to help her regulate the temperature in her incubator?

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