Written by : Dr. Jacquie Jacob, University of Kentucky. An understanding of the male avian reproductive system is useful for anyone who breeds chickens or other poultry. One remarkable aspect of the male avian reproductive system is that the sperm remains viable at body temperature. Consequently, the avian male reproductive tract is entirely inside the body, as shown in Figure 1. The reproductive tract in male mammals is outside the body because mammalian sperm does not remain viable at body temperature.
Six Things You Didn't Know About Chicken Reproduction
Reproductive system - Poultry Hub
T his article covers things you never wanted to know about rooster reproductive anatomy and chicken mating, including up-close and personal photos. Soon you will be well equipped to impress friends and business associates at cocktail parties with an alarming amount of information about chicken copulation. The rooster fans his wings flamboyantly while dancing around her in the same way a matador fans his cape to attract the bull. The Two-step In conjunction with the wing drag, a rooster will often dance in a circle, trying to position himself behind her to assume the mating position. Tidbitting Picking up actual or pretend morsels of food while calling the hen over to investigate is the oldest trick in the book. With apologies to Hasbro and my daughters whose Play Doh I pirated for this illustration, I present you with a rudimentary model of the rooster reproductive system.
Why do some chicken eggs end up as cute, fluffy little chicks and others end up in the refrigerated section of your favorite grocer? The difference is the rooster. Baby chickens come from eggs that were fertilized by a rooster, while the eggs we eat were not.
A new study of a wide range of birds has revealed a key gene that stymies penis growth in males and suggests a few reasons that nixing the penis could be evolutionarily advantageous for the animals, though it does make calling a male rooster a cock among the crueler jokes in the history of time. This notably demure sex act has left researchers wondering why some birds, like kiwis, ostriches, some ducks, and their relatives have penises while others, like the chicken, have developed the cloacal kiss instead. Researchers led by Martin Cohn at the University of Florida asked that question and found a surprising answer. Chickens, it turns out, do have normal penises — or at least, penises that start off developing normally. In their early embryonic stages, chickens develop the bud of a penis.