The white is created and then lastly the shell will form around the egg. Each time a yolk ripens, the sperm will fertilize it provided it is in the hen’s oviduct. In order for it to be a fertile egg, you will need the rooster to do his part. Ducks have a penis but chickens do not.Ī hen lays an egg every day or so regardless if there is a rooster around or not. It is located inside of the bird, just inside of the vent. The rooster’s sexual organ is called the papilla. The males also have a vent or cloaca but they do not have a penis to actually penetrate the hen. The vent or cloaca is used for both defecation and reproduction. The female chicken does not have a separate vaginal structure. When mating is done, the hen will rise, shake her feathers and go on with whatever she was doing beforehand. This whole sexual act takes about two seconds. The sperm can be actively alive in the hen for more than two weeks. From there the sperm travels up the oviduct where it awaits the release of an ovum. The sperm released from the male is taken into the vent by the female. He then lowers his vent opening (cloaca) by sliding his tail under the hen and she pushes her vent opening to meet with his. He grabs the female’s neck with his beak and pulls back her head. The rooster then leaps onto her back and balances precariously with one foot on either side of her shoulders. In a perfect situation the hen will daintily squat down and raise her shoulders to flatten out, welcoming him in every way. As he circles around her making his croaking noise, she will either encourage him or try to come up with an escape plan. The rooster performs a dance, circling the hen with his wing dropped stiffly towards the ground and quivering. He will begin to make some croaking sounds as he gets closer to the hen. This is called a wing drag or wing flicking. They attempt to attract their mates as they fan their wings in a romantic manner. Roosters will try to lure and entice their mates by displaying their beauty as well. Think about what peacocks do in their foreplay to get the lady bird in the mood with their beautiful tails. There are many magnificent displays in the avian world. Most birds perform some kind of courtship dance as a prelude to actual mating.
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