Abstract Exploring the net energy for maintenance and the allometric exponent of the metabolic body weight in different categories of poultry: A Meta-analysis approach Lizana, R., M. Montminy, A. Almeida, R. Silva, A. Fialho, M. Macari and N. Sakomura August 2026 basal metabolism | body weight | Broilers | fasting heat production | Growth Performance | Layers | Meta-analysis | Net Energy | net energy for maintenance | Poultry | rooster