How long is sperm active?

[city farm 1]

I want to add a new rooster? How long is the old rooster sperm active?

 

[Alaskan]

standard rule of thumb is 3 weeks.

I want to add a new rooster? How long is the old rooster sperm active?

 

[scflock]

I want to add a new rooster? How long is the old rooster sperm active?

Are you asking how old the rooster can be and still be fertile?