In the process of chicken fertilization, whether it is natural mating or artificial insemination, sperm will quickly go up the fallopian tube and reach the spermatic fossa in the corner. If there are no eggs in the fallopian tube after mating (or artificial insemination), it only takes about 30 minutes for the sperm to reach the horn. When an egg enters the bell mouth, it usually takes about 15 minutes, and 3-4 sperm can enter the ovule area on the surface of the yolk, but only one sperm can combine with the egg cell to fertilize. In fact, the number of sperm that a rooster can shoot in one mating is generally between 654.38+0.5-8 billion, and a large number of sperm are sacrificed during the journey. According to a large number of experiments, the number of sperm is not less than 1 100 million, and a good fertilization rate can be achieved. It is based on this that artificial insemination improves the utilization rate of breeder cocks. When there are new and old sperm in the trumpet, the vitality of the new sperm is greater than that of the old sperm, and the chances of fertilization are more than that of the old sperm ... so the highest fertilization rate usually appears on the third day after mating.

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