A rooster often employs a type of foreplay by prancing around the hen and clucking before mounting her. The transfer of sperm happens quickly without the penetration normal in mammal mating. The cloaca, or vent, of the male and female touch and sperm are exchanged. ... The other is to transfer sperm to a hen.

How does a rooster fertilize an egg?

The rooster will hop on the hen's back and perform a cloacal kiss, delivering sperm into the oviduct. This will fertilize the egg of the day and can fertilize eggs for a week or so afterward.

How do cockerels breed?

A rooster doesn't have a penis, just a tiny 'bump' called a papilla inside his cloaca. It is via this papilla that the sperm is delivered to the hen. A rooster may mate between 10-30 times per day, depending on his ability and enthusiasm. ... Once inside the oviduct, the sperm will go on to fertilize the 'egg of the day.