Do Orpingtons take longer to incubate & hatch?

[Little Farm Girl]

We have bantam polish, all the way to English Orpingtons about to hatch on the 21st. We took them out of the turner today for lockdown, all of them look like they usually do at day 18, except for the Orpingtons. We put them in on the exact same day as the others and they are still moving and growing, but look nothing like what the others look like when we candle them...

ANY advice would be great. They are still growing, but are tiny in the egg. Do Orpingtons take longer to grow then other breeds like Cochins, Ayam Cemani, Polish, Etc?

 

[50-45-1]

Ive had many breeds of chickens including orphingtons, and as long as all the eggs are started at the same time they all seam to hatch starting on day 19, and all by day 22.
Same pattern with all the breeds, bantam and standard.
Good luck with your hatch!

 

[Little Farm Girl]

Ive had many breeds of chickens including orphingtons, and as long as all the eggs are started at the same time they all seam to hatch starting on day 19, and all by day 22.
Same pattern with all the breeds, bantam and standard.
Good luck with your hatch!

Thank You! I wander what will happen to them.?. We will post pictures and let you know if they hatch.

 

[Chick-N-Fun]

21 days is the standard......candle the eggs and monitor the progress. Good luck with your hatch! Keep us posted!

 

[chuckachucka]

Nope, all chicken breeds take 21 days if conditions are perfect. Is your incubator fan assisted or still air? I wonder if it is possible you have cool spots in your incubator where the Orpington eggs are. The lower the temps, the slower the embryos will develop.

 

[Little Farm Girl]

Nope, all chicken breeds take 21 days if conditions are perfect. Is your incubator fan assisted or still air? I wonder if it is possible you have cool spots in your incubator where the Orpington eggs are. The lower the temps, the slower the embryos will develop.

Our incubator doesn't have a fan in it. The Orpington eggs are scattered throughout the bator, not just in one section. That's why we are so confused

 

[Mosey2003]

Were the Orpington eggs especially old? The fresher the egg, the faster it hatches...

 

[Little Farm Girl]

Were the Orpington eggs especially old? The fresher the egg, the faster it hatches...

They were all gathered and set at the same time

 

[Mosey2003]

Hard telling then. Maybe they lack vigor? Were the eggs especially large?

 

[Little Farm Girl]

They were all gathered and set at the same time

Hard telling then. Maybe they lack vigor? Were the eggs especially large?

Yes, ALL of the Orpington eggs from the farm were HUGE! But 2 of the Orpington eggs are growing regularlyI'm so confused...