Zartech Broilers (Cobb 500) is the most productive in the world and has the lowest feed conversion, high growth rate, and a better ability to grow well on cheaper low-density feeds. The combination of these properties gives a cross-country "Cobb 500" competitive advantage at a low cost per kilogram or per pound of live weight produced for a growing permanent contingent of customers worldwide. Each carton typically contains 50 day-old chicks of Commercial Zartech (Cobb 500), packed securely for safe transport. This ensures minimal stress and injury during shipping.