| Day+ | Day- | Date | To Do |
|---|---|---|---|
| If you have fertilized duck eggs from other duck breeders and you got it per parcel, leave them untouched for one day. Recommended environment temperature is 20 centigrade. Store them with soft rounded end up and pointed end down. | |||
| 0 | 28 | Wednesday, November 19th 2025 | Start the incubation process: Clean and disinfect the breeding machine. Fill in the water. Set the incubator's relative humidity to 65% RH. Clean the fertilized duck breeding eggs, put them into the incubator and mark them if needed. Increase the temperature in the incubator slowly (!!) to 37.6 centigrade. (99.7 Deg.Fahrenheit). |
| 1 | 27 | Thursday, November 20th 2025 | Keep the breeder closed. Do not open. Don't turn the duck eggs! |
| 2 | 26 | Friday, November 21st 2025 | Keep the breeder closed. Do not open. Don't turn the duck eggs! |
| 3 | 25 | Saturday, November 22nd 2025 | Keep the breeder closed. Do not open. Don't turn the duck eggs! |
| 4 | 24 | Sunday, November 23rd 2025 | Turn the duck eggs 3 to 4 times a day in different directions. |
| 5 | 23 | Monday, November 24th 2025 | Turn the duck eggs 3 to 4 times a day in different directions. |
| 6 | 22 | Tuesday, November 25th 2025 | Turn the duck eggs 3 to 4 times a day in different directions. |
| 7 | 21 | Wednesday, November 26th 2025 | Turn the duck eggs 3 to 4 times a day in different directions. |
| 8 | 20 | Thursday, November 27th 2025 | Turn the duck eggs 3 to 4 times a day in different directions. |
| 9 | 19 | Friday, November 28th 2025 | Turn the duck eggs 3 to 4 times a day in different directions. |
| 10 | 18 | Saturday, November 29th 2025 | First examination of eggs. Take a special kind of lamp to check the fertilization. The little embryo casts a shadow. Turn the duck eggs 3 to 4 times a day in different directions. Open the breeding machine for 15 minutes to cool the duck eggs down. Take a sprayer bottle with hand warmed water to moist the duck eggs. Close the incubator. Check the water level in the incubator and refill if needed. |
| 11 | 17 | Sunday, November 30th 2025 | Turn the duck eggs 3 to 4 times a day in different directions. Open the breeding machine for 15 minutes to cool the duck eggs down. Take a sprayer bottle with hand warmed water to moist the duck eggs. Close the incubator. Check the water level in the incubator and refill if needed. |
| 12 | 16 | Monday, December 1st 2025 | Turn the duck eggs 3 to 4 times a day in different directions. Open the breeding machine for 15 minutes to cool the duck eggs down. Take a sprayer bottle with hand warmed water to moist the duck eggs. Close the incubator. Check the water level in the incubator and refill if needed. |
| 13 | 15 | Tuesday, December 2nd 2025 | Turn the duck eggs 3 to 4 times a day in different directions. Open the breeding machine for 15 minutes to cool the duck eggs down. Take a sprayer bottle with hand warmed water to moist the duck eggs. Close the incubator. Check the water level in the incubator and refill if needed. |
| 14 | 14 | Wednesday, December 3rd 2025 | Turn the duck eggs 3 to 4 times a day in different directions. Open the breeding machine for 15 minutes to cool the duck eggs down. Take a sprayer bottle with hand warmed water to moist the duck eggs. Close the incubator. Check the water level in the incubator and refill if needed. |
| 15 | 13 | Thursday, December 4th 2025 | Turn the duck eggs 3 to 4 times a day in different directions. Open the breeding machine for 15 minutes to cool the duck eggs down. Take a sprayer bottle with hand warmed water to moist the duck eggs. Close the incubator. Check the water level in the incubator and refill if needed. |
| 16 | 12 | Friday, December 5th 2025 | Turn the duck eggs 3 to 4 times a day in different directions. Open the breeding machine for 15 minutes to cool the duck eggs down. Take a sprayer bottle with hand warmed water to moist the duck eggs. Close the incubator. Check the water level in the incubator and refill if needed. |
| 17 | 11 | Saturday, December 6th 2025 | Turn the duck eggs 3 to 4 times a day in different directions. Open the breeding machine for 15 minutes to cool the duck eggs down. Take a sprayer bottle with hand warmed water to moist the duck eggs. Close the incubator. Check the water level in the incubator and refill if needed. |
| 18 | 10 | Sunday, December 7th 2025 | Turn the duck eggs 3 to 4 times a day in different directions. Open the breeding machine for 15 minutes to cool the duck eggs down. Take a sprayer bottle with hand warmed water to moist the duck eggs. Close the incubator. Check the water level in the incubator and refill if needed. |
| 19 | 9 | Monday, December 8th 2025 | Turn the duck eggs 3 to 4 times a day in different directions. Open the breeding machine for 15 minutes to cool the duck eggs down. Take a sprayer bottle with hand warmed water to moist the duck eggs. Close the incubator. Check the water level in the incubator and refill if needed. |
| 20 | 8 | Tuesday, December 9th 2025 | Turn the duck eggs 3 to 4 times a day in different directions. Open the breeding machine for 15 minutes to cool the duck eggs down. Take a sprayer bottle with hand warmed water to moist the duck eggs. Close the incubator. Check the water level in the incubator and refill if needed. |
| 21 | 7 | Wednesday, December 10th 2025 | Turn the duck eggs 3 to 4 times a day in different directions. Open the breeding machine for 15 minutes to cool the duck eggs down. Take a sprayer bottle with hand warmed water to moist the duck eggs. Close the incubator. Check the water level in the incubator and refill if needed. |
| 22 | 6 | Thursday, December 11th 2025 | Turn the duck eggs 3 to 4 times a day in different directions. Open the breeding machine for 15 minutes to cool the duck eggs down. Take a sprayer bottle with hand warmed water to moist the duck eggs. Close the incubator. Check the water level in the incubator and refill if needed. |
| 23 | 5 | Friday, December 12th 2025 | Turn the duck eggs 3 to 4 times a day in different directions. Open the breeding machine for 15 minutes to cool the duck eggs down. Take a sprayer bottle with hand warmed water to moist the duck eggs. Close the incubator. Check the water level in the incubator and refill if needed. |
| 24 | 4 | Saturday, December 13th 2025 | Turn the duck eggs 3 to 4 times a day in different directions. Open the breeding machine for 15 minutes to cool the duck eggs down. Take a sprayer bottle with hand warmed water to moist the duck eggs. Close the incubator. Check the water level in the incubator and refill if needed. |
| 25 | 3 | Sunday, December 14th 2025 | Second examination of eggs. The duck embryo fills the egg now. If the egg is not dark, it is not fertilized. Only the air chamber is still white. Put the duck eggs on a hatching pad. Stop turning the eggs. Set temperature to 37.2 centigrade. Increase humidity to 70% RH and more. Don't open the incubator anymore. |
| 27 | 1 | Tuesday, December 16th 2025 | Be prepared to welcome the new-born duck chickens. Do you have a bird chick brooder, a heater or a heating lamp, special duck chicks food, water, poultry drinker for chicks...? |
| 28 | 0 | Wednesday, December 17th 2025 | Duck chick's hatching day! End of incubation. Leave the duck chicks in the incubator for a day (optional). Attention: Incubation of duck eggs can take some days longer, up to 33 days. |
| 178 | 160 | Saturday, May 16th 2026 | Indian Runner Ducks: First eggs. |