Optimal broiler production via nutrition
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Today’s nutritionists employ the concept of dietary balanced protein (BP) in feed formulation in order to minimize the excess of crude protein and amino acids contents in broiler diets, which also minimize feed cost, while at the same time maintain broiler growth performance. The BP concept is when other AAs are set relative to lysine, thus, the main focus of this research was on lysine, especially at digestibility level in poultry. For that reason, the digestible lysine (dLys) levels were discussed throughout this research. The analysis was done using a dose-titrations trial. The data were used to evaluate the optimal economic dLys level to maximize profits using linear and nonlinear programming. The Cobb-Douglas functional form was proposed as an alternative model for performing production functions. The optimum responses were a function of current market prices of whole carcass or cut-up parts, and feed ingredients. The optimum dLys level during grower and finisher phases were determined and used to formulate the most profitable diets at a given targeted market and price scenario. The historical prices of major feed ingredients were used to evaluate the impact of low and high volatile prices to maximize profit under optimum feeding condition.