Why am I getting so many duck eggs with double yolks?

bufforp89

Songster
10 Years
Jul 26, 2009
1,113
5
161
Chenango Forks NY
My khaki campbells have been laying since August. I am still getting really HUGE double yolkers, maybe 1-2 a day from my now 4 girls. Why am I still getting so many? I sell their eggs to hatch and eat and they are really messing things up for me! Anyone know why I am getting such a huge ammount of double yolk eggs?
 

bargain

Love God, Hubby & farm
11 Years
Apr 13, 2008
8,372
425
326
Bowdon, GA
How old are they?

In chickens, I've seen more giant eggs and double yolkers in the older hens.

This might be true with Ducks, waiting to hear from the experts on this.....We've only had ducks since fathers day of this year, so we're in the learning mode.
 

Wifezilla

Positively Ducky
11 Years
Oct 2, 2008
11,199
156
311
Colorado
I am getting a lot of TINY double yolkers. They are so cute! LOL

Inconsistency in size, double yolked eggs, the occasional soft shell are all common in new layers...ducks OR chickens.
 

becky3086

Crested Crazy
11 Years
Oct 14, 2008
3,627
42
211
Thomson, GA
Fertility drugs in the feed?
gig.gif

I have no idea really, but I would change my feed.
 

peeppeeppeep

In the Brooder
10 Years
Apr 10, 2009
98
0
39
Shasta County
Just lucky!

We had several hens who laid a LOT of double yolkers when they were younger. Now we almost never get one. My theory is that when they are young their ovulation is not as well regulated and so there are two ova released rather than one.

But that's just talking through my hat as I haven't bothered to look it up or anything like that. Makes sense though, no?
 

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