Fig. 4From: Methodologies on estimating the energy requirements for maintenance and determining the net energy contents of feed ingredients in swine: a review of recent workRegression of heat production on metabolizable energy (ME) intake. 16 experiments, 34 diets, 26 ingredients, 204 replications with 408 heat production and 204 fasting heat production data were included in the figure. FHP: Fasting heat production; HP: heat productionBack to article page