Spontaneous Sex Reversal In Your Poultry

Spontaneous Sex Reversal In Your Poultry
By Jen Pitino, Idaho A hen is born with two sex organs. One of these two organs is an ovary that functions somewhat similarly to a female human’s ovary. Normally, this functioning ovary is found on the left side of a hen and grows and develops as the chicken matures. It is this left ovary that produces the necessary estrogen in a hen’s body that regulates the production of ova (though these are called oocytes in chickens) and their release into the oviduct tract. The sex organ found on the right side of a hen is not an ovary at all. Rather it is simply an undefined gonad (yet to be determined as an ovary or testes). Unlike the left-side ovary, the right-side gonad in a hen will typically remain small, dormant and undeveloped throughout the bird’s life. A spontaneous sex reversal occurs in a hen when her left ovary

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