Talk:Chick sexing

2 major methods listed, only 1 explained

"There are two chief methods of sexing chicks: feather sexing and vent sexing." the article states. Can someone fill us out in the other one (feather sexing)? — Preceding unsigned comment added by 193.156.31.242 (talk) 08:57, 16 April 2012 (UTC)

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DNA testing

I thought I heard somewhere (i.e. no reliable source, so I'm not adding it!) that chicks nowadays are often sexed by doing a DNA test on a feather to see if it's XX or XY, but no mention is made of this method in the article. Does that not happen at all? —Angr 20:59, 12 December 2008 (UTC)

Yeah thats very common, but DNA sexing is relatively expensive to use for agricultural operations, on chickens for example... DNA sexing is used mostly with scientific studies, with zoo animals or pet birds. I sexed a few of my parrots this way, it costs 15-30 USD in the US, all you do is take a drop of blood and mail it in (in a special container). I'm not sure if this page is only about poultry chicks or all kinds of baby birds..

How to sex poultry

How to sex poultry: In commercial hatcheries, where the eggs are incubated in machines, sexing is done within a short time after the chick has pipped the egg. As the chick is developing in the egg, the chick is attached to the yolk sack at the cloaca. The lowermost intestinal tract is everted during this time and has direct contact with the yolk. The yolk is absorbed thru the portion of the intestinal tract that is exposed to the yolk. When the chick begins pipping the shell, the tract continues to be everted, but once the chick is out of the shell and walking around the cloaca is no longer everted. If the chick is removed from the shell manually, the everted cloaca can be examined. In males a tiny finger of milky-clear flesh can be seen. This is absent in the females. Once the chick is near fully hatched the everted cloaca inverts and sexing is no longer possible. Pulling chicks from the shell for sexing is an undesirable practice. After several generations the strain of bird will lose the ability to hatch on their own. They will die in the partially pipped shell. Many strains of factory poultry in the US are no longer able to self hatch due to pulling the chicks from the shell for sexing. When purchasing chicks, know your source to be sure you have poultry that can hatch on their own. My Flatley (talk) 03:42, 1 January 2011 (UTC)

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