https://www.youtube.com/watch?v=rFOTNCUPKy4
I got a call from a friend: for two weeks all eggs had been disappearing and now a chicken was gone too. After a short search, I discovered what was going on

https://thefrugalchicken.com/how-to-hatch-chicken-eggs/
4. Turn your eggs at least 3 times a day from days 1-18, then don't turn them at all on days 18-21. Turning your eggs an odd number of times each day is important for embryo development. In nature, a hen turns her eggs constantly. Don't turn your eggs after day 18 - let the chick orient itself to break the shell and hatch.

https://www.thehappychickencoop.com/the-complete-beginners-guide-to-hatching-eggs/
The warm water trick for hatching eggs is a method to also check to see if an overdue egg is ready to hatch. All you need is a pot of warm water or sink so the egg can float in. Make sure the water is at 100 degrees or 37.7 degrees Celsius. Place the egg in the bowl or sink. Be sure to be extra careful so you don't disturb the chick that is

https://www.knowyourchickens.com/hatching-chicken-eggs/
A good incubator will hold a steady temperature with minimal fluctuations. They must provide good humidity: During the first 18 days of incubating your chicken eggs, you must keep humidity between 40 and 50 percent. In the final days before hatching, you will need 65 to 75 percent humidity.

https://www.thehappychickencoop.com/hatching-eggs-everything-you-need-to-know/
Humidity for Hatching Chicken Eggs. The moisture lost from the egg should equate to roughly 13% of the eggs' weight before hatching. If you wish to weigh the eggs prior to hatching this is an excellent way to determine how the weight loss is progressing. In dry hatching the humidity is kept as low 15-30% until the last three days.

https://www.chickensandmore.com/hatching-chicken-eggs/
Your incubator's location is important. Make sure that it is not placed in an area with drafts or direct sunlight. The ideal chicken egg incubation temperature is 99.5°F. Use your thermometer to confirm that the temperature in your incubator remains between 99-102°F and your hygrometer to maintain about 55% humidity.

https://thehomesteadingrd.com/hatching-chicken-eggs/
Rule #4: Know what to expect. Hatch day is filled with built-up excitement and expectations. Many beginners head into hatch day expecting that all of the eggs will hatch and it's easy to get disappointed. If this is your first time hatching, I would plan on a 55-65% hatch rate (less if you're using a foam incubator).

https://dailychickens.com/beginners-guide-to-hatching-eggs/
Apply warm, soapy water after using a 10% bleach solution. Rinse it thoroughly and ensure it's completely dry before using it. This ensures a sanitized environment for the eggs to develop. Choose the right location: Place the incubator in an area where the ambient temperature is steady and there's no risk of drafts.

https://thriftyhomesteader.com/hatching-chicken-eggs/
Maintaining the right temperature and humidity levels is critical for the healthy development of the embryos inside the eggs. The temperature should be kept at around 99.5°F (37.5°C), and the humidity should be between 50-60% for the first 18 days, and then increased to 65-75% for the final few days before hatching.

https://coopscave.com/hatching-chicken-eggs/
Eggs hatching requires 20 to 21 days, and also, for incubating the chicken eggs, you need the egg incubator. The incubator greatly helps to control humidity, temperature, and egg turning. The 21-day project is divided into several steps: Day 0 - setting the eggs. Day 1-18 - The set stage; Day 18-21 - lockdown and pre-hatching.

https://www.knowyourchickens.com/hatching-chicken-eggs-2/
It can take up to 24 hours for a chick to fully hatch, so be patient and let them do their thing. Most chicks take between five to seven hours to fully hatch, but every bird is different. Once the chicks have hatched, adjust the incubator's temperature to 95 degrees Fahrenheit.

https://backyardchickenscoop.com/hatching-chicken-eggs/
The hatching will begin on the 20th 0r 21st day, and it can take a couple of days for the whole clutch to completely break out of shells. Just before this, around the 18th day, you may notice hen making vocalizations to the chick in a low-pitched sound. You may even hear the chick answering.

https://morningchores.com/hatching-eggs/
After purchasing your incubator, you need to set the temperature to 99.5°F. Then you have to set your humidity to 40-50% for the first 18 days and 65-75% for the final days. Now, it is important to mention that if your temperature rises by 1° or lowers by 1° that is enough to end an embryo's life.

https://practicalselfreliance.com/hatch-chicken-eggs/
Still, I'll cover both methods, including hatching eggs in an incubator and hatching eggs with a broody hen. (If you're looking for a quick answer, chicken eggs take a total of 21 days to hatch at 99.5 degrees F or 37.5 degrees C. For the first 18 days, they're turned 3-5 times daily and kept at 40 to 50% humidity.

https://chickenjournal.com/hatching-chicken-eggs/
Turning chicken eggs must be done for about 14-15 days. The first two weeks are most important for proper turning, but you can also turn them for 17-18 days during incubation. The last three days before hatching are called the Lockdown period. You should not turn the egg during the last three days.

https://www.backyardchickens.com/articles/incubating-and-hatching-chicken-eggs-aka-hatching-101.64195/
21 DAYS is just a baseline for hatching eggs. Many chicks can take 23 - 25 days! Some pip internally and fully hatch in hours while others will be 24 hours or more. Egg movement! Eggs can "Rock n Roll" days before they are due to hatch! The initiation of hatch occurs partially from the increased carbon dioxide level in the egg.

https://www.backyardchickens.com/articles/a-simple-guide-to-hatching-chicken-eggs.74574/
Turn your eggs from side to side, about a 1/3rd of a turn to the left at the first designated time to turn. At the next time for turning, turn a 1/3rd of a turn to the right. NEVER turn them end over end or 360 degrees all the way around. Imagine the rocking of a ship, at 1pm turn the eggs 1/3rd to the left.

https://www.almanac.com/hatching-eggs-how-hatch-chicken-eggs-home
Day 1: Place the eggs "upside down" in the incubator, with the smaller end pointing down and the larger, rounded end sticking up. Start the incubator at about 100 degrees Fahrenheit and 50 percent humidity. Throughout the first 18 days of incubation, it's important to turn each egg 3 to 5 times per day, every day.

https://www.wikihow.com/Hatch-Chicken-Eggs
The larger end of each egg should be slightly higher than the pointy end. This is important as the embryos can become misaligned if the pointy end is higher and may have difficult pipping, or breaking through the shell, when it comes time to hatch. 5. Allow the temperature to drop after adding the eggs.

https://heartscontentfarmhouse.com/hatch-chicken-eggs-incubator/
Place eggs. Place the eggs in your incubator, laying on their sides, with the narrow, pointed ends towards the center of the incubator. This will ensure the eggs roll properly. I would suggest performing a test roll after you place all the eggs in the incubator to make sure they all roll smoothly. Days 1-7 (Waiting)

https://www.tractorsupply.com/tsc/cms/life-out-here/the-coop/start-your-flock/how-to-produce-a-hatching-egg
Keep them out of sunlight in a cool, relatively dry place such as a dry cellar, cool back room closet, or food storage pantry. The ideal temperature is 55°F, but anywhere between 50 and 60°F is adequate. The ideal humidity is about 75 percent, with a range of 70 to 80 percent. Happy hatching!

https://www.raising-happy-chickens.com/incubating-eggs.html
The chick now has everything it needs to hatch successfully. Incubation from this point is all about the process of finalising its development.; Today the bones, claws, skull and scales on the legs are all growing and hardening.; The chick is still slowly turning into the right position to hatch, but at this point remains lengthways down the egg. Most importantly, though, the small intestine

https://www.backyardchickens.com/threads/is-37-1-to-37-3-celcus-good-for-incubating-chicken-eggs.1447423/
One study found 2% reduction in hatch-rate at 36.7C/98,0F (i.e negligable), but a 10% reduction in hatch-rate at 38.3C/101F. I've only had one hatch, but struggled with a large temperature difference between the eggs during the first week. However, I still had eggs (quails) hatching from all spots in the incubator.

https://agrilifetoday.tamu.edu/2024/06/03/cracking-the-mystery-on-chicken-eggs/?_rt=MTl8MXxmaXJzdCBjb3cgY2FyYm9uIHRheCBvbiBsaXZlc3RvY2t8MTcxOTYxMjc2OQ&_rt_nonce=a3bb32e28b
And the "olive egger" breed lays … wait for it … olive-green eggs. But appearances aside, all chicken eggs have no major differences in taste or nutritional composition, Archer said. Chicken earlobes help predict egg color. A good way to guess what color eggs a chicken will lay is to have a gander at the hen's ear lobes.

https://www.msn.com/en-us/foodanddrink/recipes/golden-comet-chickens-what-you-need-to-know-before-getting-yours/ar-BB1kstu3
Golden Comet hens are very prolific egg layers. They can lay five or even six large brown eggs every single week, making this breed of chickens one of the most prolific brown egg-laying chicken