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Cockatiel Breeding Do you want to learn about breeding cockatiels? Ask questions and share advice here.

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Old 05-28-2010, 04:55 PM
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Default Fertile or unfertile eggs?

Hi guys!

I candled my eggs today and she had 8 eggs but just two of them look pink inside but not web. Is that mean that the pink also are infertile?
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Old 05-29-2010, 12:58 AM
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What do the other 6 look like? If they are clear inside with just the yolk and aircell visable after day 5 of incubation then it is pretty safe to say they are infertile. At day 5 you should see a network of vessels inside of the egg and a heartbeat. When the eggs are fertile you will know they are fertile at this time, if they are not then they will be clear. Also if you look at the shells of the eggs, an infertile egg will have a slight pink cast to it and a fertile egg will be stark white.

Here is a pic of an infertile egg:


Here is a fertile egg at 8 days into gestation:


A comparison of an infertile egg, a fertile egg, and a nonviable egg:


Thanks again Susanne (srtiels) for creating such wonderful pictures! You have no idea how much they help me and others!!
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Old 05-29-2010, 12:58 AM
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If they're fertile, they'll be a glowing red color with spider veins.

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Old 05-29-2010, 08:41 AM
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Quote:
Originally Posted by BLESSED'S_WINGS View Post
Hi guys!

I candled my eggs today and she had 8 eggs but just two of them look pink inside but not web. Is that mean that the pink also are infertile?
--------------------------------
Hmmm...when candling the eggs they should not look pink on the inside, unless they were an early death and had a blood ring which would make the yolk have a pinkish cast.

When candling eggs, look at the yolk. If the egg is fresh and still viable (prior to incubation) the yolk is going to be very visable, and nice and round looking. If the yolk looks spread out in the egg and takes up most of the inside then the egg is not viable.
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Old 05-30-2010, 01:58 AM
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The breeder who gave me the pair that had those eggs had to do a long 1 1/2 hour trip to get to my house.

He was desperate to get rid of the tiels because he got another specie of parrot that sells more expensive and need the tiels's cage. So maybe during the trip the eggs could be shaked. None of them look with spider veins. The first egg was laid more than one week ago because she has 8. And the pair didn't enter on the nest all day today. They just looked inside but they didn't enter.

I you guys think that they are unfertile... can I take them out or I have to let them for a couple of days anyway?

I have a lot of birds but this is my first time breeding.
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Old 05-30-2010, 06:42 AM
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You need to leave the eggs in there until she abandons them if they're not fertile.

DO NOT remove them (unless they're rotten or badly damage/cracked and are leaking yolk) otherwise she'll replace the eggs with more eggs.

If the eggs have been moved to a new enviroment, the hen may be a bit uncomfortable now hence why she won't sit on them - give her another day or so, she might go back in and sit on them, but they may have been a bit shaken during the move.. this is why I wouldn't sell a hen with eggs.
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Old 05-30-2010, 10:04 AM
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The first egg was laid more than one week ago because she has 8. And the pair didn't enter on the nest all day today. They just looked inside but they didn't enter.
---------------------------------

OK...it would be 16 or more days since the first egg was layed. Do you remeber the exact date. If it was less, possibly you could have 2 females paired up (???) Can you post a pix of the tiels?
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Old 05-30-2010, 12:46 PM
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Here are the photos of them. The hen is the WF Lutino and the cock is the WF Pied.

I don't know any information of them. I just got them because the breeder gave them to me with 7 eggs. And I haven't hear the cock singing yet. But the breeder said that he sings beautiful. I'll wait I'm not hurry, just curious.


Thank You guys for all your help!
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Old 05-30-2010, 12:51 PM
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They are both nice looking birds.

I would catch the pied and feel the pelvic bones on it to see if they are tight together (male) or spread wide apart enough for the tip of the index finger to rest between the bones (female)

Did the previous owner give any background on the past clutches and how they were as parents?
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Old 05-30-2010, 07:37 PM
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Is their first time laying eggs together. They are just 18 months so they were too young for the breeder to mate them with less than 18 months.

I know that he told me that the hen has been laying eggs and he decide to put her a male that had been with her for the last 3 months.

I'll do the pelvic bone and I'll let you know.
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