University of Maine Pasture Poultry Project, Summer 2017 (PDF) Authors: Knight, CA., G. AndersonB and J. HatleyC AAssistant Extension Professor – Livestock Specialist; BAnimal and Bioscience Specialist; CManager J. F. Witter Center Abstract Six commercial strains of broilers were selected to compare growth rate, feed conversion, feed consumption, forage utilization, water consumption, and mortality data