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- #11
Wow this is so interesting.The hen's body can store sperm, and the limit is on how long the sperm stays alive, not how many individual sperm cells were present.
If a hen has been mating with a rooster, and then she is kept away from him, she will usually lay fertile eggs for at least a week, sometimes up to three weeks, in rare cases longer than that. It seems to depend on the individual hen or rooster (some roosters have sperm that lives longer than others, some hens may retain it better than others, I don't think the details have been studied very carefully.)
As a general rule of thumb, if the rooster mates with the hen at least once a week, she should lay fertile eggs all the time.
So if the hen lays egg everyday and rooster mate only monday, all eggs from tuesday to sunday will be fertile?