Valley Hatchery offers select breeds as 15-20 week oldStarted Pullets. Started Pullets ship on Tuesdays & generally ship within 2 weeks of orders being placed. No minimum order – order as few as one started pullet! Started Pullets have been vaccinated for Mareks Disease. We guarantee live arrival and 24-hour survivability, review our guarantees here. Started Pullets ship separate from day-old poultry and must be on their own order.