Guineas will usually choose just one partner for life. If you free range them you will notice as they spread out they will tend to go in pairs and if the male ventures out of sight of the female she will "buckwheat until he gets close again.
A female that is being mated puts her head to the...
Guinea fowl only start laying eggs in the spring so usually you have to have your keets one winter before you get fertile eggs.
White guinea fowl are usually the first to lay eggs, IMO.