Is it temperature? the drake? the duck? I am meaning for ducks allowed to hatch with a live duck not man made incubators. I suppose i am trying to sort this out for making future choices, in other words allowing another hatch next year. Thanks!
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X2Same as chickens. The female deposits the genetic material that determines which sex the hatchling will be.
It is out of your control, so no way to manipulate it. At least not in poultry. You can pay a lot of money and purchased sexed frozen semen for artificial insemination in cattle. They do embryo transplants in cattle, too. All of it way too expensive to be used in poultry. So in poultry, you get what you get.
Same as chickens. The female deposits the genetic material that determines which sex the hatchling will be.
I agree with everyone above. You get what hatches
I did read that people have tried to hatch in incubators using different temps. Higher temps yielded more males while lower temps yielded more females. I didn't believe it but had to try. It did not work, haha, no surprise. Each hatch was about 50-50. It's mother nature, I do not believe a temp change can determine the sex!