Our day old Arbor Acres Plus chicks are of the Vertex brand from the high-quality parent stock. We ensure they are adequately vaccinated for their age before dispatch. he day-old Vertex broilers feature impressive growth rate, high feed conversion ratio, livability, and good dressing weight. The price listed is for a carton of 50 chicks. Vertex Arbor Acres Plus (Day-Old Chicks) The Vertex broilers have been developed via a successful breeding and selection process to serve the increasing demand for quality white meat. This has ensured consistency and value to the end products. Arbor Acres Plus Broilers The arbor acres plus – through a progressive program of breeding and selection – have been developed to serve the increasing demand for quality white meat. Thus this breed has been steadily improved through established breed selection processes involving traditional and novel scientific technology. This ensures consistency and value is added to the end products.