21 days from the date they remain on the eggs. Chickens will take a few days to gather enough eggs to make a brood. Once the hen has decided she has enough eggs she will set and remain on those eggs for 21 days plus a few extra days to hatch late eggs.
No. First of all, the eggs you buy at the supermarket are unfertilized. They have never been fertilized by a male chicken (a rooster) and thus cannot grow into baby chickens, any more than a woman's egg cell can grow into a baby without a man's sperm. Even if they were fertilized, they have been stored at very cold temperatures, so by the time you got them, the chicken embryos would be long dead.
Most chicken eggs produced for consumption are unfertilized. Eggs found in the grocery stores are typically produced by chickens that never come in contact with a rooster.In backyard flocks, however, there is usually a rooster present with the hens and he ensures that the eggs are fertilized by mating the hens regularly. Eggs from hens who have been mated in the past week are fertilized chicken eggs. They can be eaten or incubated and hatched into chicks.Yes, hens can and do lay unfertilized eggs. In fact, most grocery store eggs come from hens that have not been mated by a rooster and therefore are unfertilized.Yes, a hen that has not mated with a rooster in the past ten days will lay only unfertilized eggs. A hen that has never been with a rooster will only lay unfertilized eggs.A rooster must mate a hen for her to lay eggs, and after she is first mated it will still take about a week for her eggs to be fertilized, as it takes about that long for the rooster's sperm to travel to the hen's ovaries where her eggs are fertilized before the shell covers them and before they are laid.
As soon as the male serves the hens then the eggs should be fertilised.
42 weeks
While the new rooster will attempt to mate with the hens right away it is usually a few days before he can gain their acceptance. Roosters deposit a sperm sac which is good for up to 10 days without a re-mating so you can be sure the new rooster has fertilized the hens 10 days after he is active with the hens.
2weeks
A rooster can successfully fertilize eggs from multiple hens. On average, a single rooster can fertilize between 10 to 12 hens, but this can vary based on the breed and age of the rooster, as well as other environmental factors.
To provide us with eggs. You see, they are domesticated. For thousands of years they have been bred to do just what they do today. Over time, chickens that tended to lay more eggs for longer periods were kept and bred over thousands of generations. Presto--breeds like Leghorns and Rhode Island Reds that lay more eggs than most other breeds. Other breeds of chickens over time were bred not for how many eggs they could lay but for meatier thighs and breasts (broiler chickens) and some breeds for both qualities so you could have your eggs and still get good meat when they stopped laying because of age. When you say "most other birds lay fertilized eggs" this is only true if there is a male of the breed around. As long as there is a fertile rooster doing his job with access to the hens, every egg the hens lay will be fertilized. In other species of birds that perhaps only lay a couple eggs each spring, it may be that something the male does triggers that egg laying.every bird lays eggs....
As long as there is no rooster around to mate with the hens, you will not receive fertile eggs.
Certainly. As long as you get them from a reliable source that sells you fresh eggs, not old eggs, free range eggs are great, and much healthier than store-bought eggs. If the hens are fed camelina seed, the eggs will even have Omega fatty acids in them, which will add an even more appealing touch for customers. It doesn't make any difference if the eggs are fertilized, although you may want to talk to your customers about that, if they are squeamish about it, and assure them that fresh, fertilized eggs do NOT have chicks growing in them, and taste exactly the same.
As long as no humans collect them or critters eat them, they are very safe if the hens can set on them as needed to hatch.
It can take 6 to 12 months before Barnevelder hens start to lay eggs. The exact time is different for each hen.