Age for Bobwhites to start laying eggs. « on: August 23, 2007, 12:17:12 PM ». I know that this has been discussed before on other posts, but there are exeptions to the rule. Most will agree that it takes about 24 weeks (6 months) for Bobwhites to start laying eggs as a rule of thumb.Some quote as early as 21 weeks (5 months, 1 week). Therefore, most birds born this past spring/summer will not produce any eggs until next spring without artificial lighting.Exceptions.........ost will agree that it takes about 24 weeks (6 months) for Bobwhites to start laying eggs as a rule of thumb. Some quote as early as 21 weeks (5 months, 1 week). Therefore, most birds born this past spring/summer will not produce any eggs until next spring without artificial lighting. Exceptions.........