Marine oil weight of fish oil weight gain used by aquaculture because Crampton et al. “Reflect resources dependency ratio oil in feed (kg/tonnes) feed manufacturers use proteins and lipids, not (2010)[21] (kg/tonnes) whole fish” for comparison of MNDRs [marine “Allow nutrient dependency ratios] between farmed species, despite differences in the body composition of these species” Nutrient retention Amount of nutrient Amount of nutrient or ratios] are a Ytrestøyl et al. “[Nutrient-to-nutrient or energy energy used in feed measure of the proportion of the dietary (2014)[20] incorporated in nutrients and energy that is retained in the animal (whole body animal product.” or edible part) Protein conversion FCR * crude protein culture species crude "Protein efficiency is an estimate of the ratio of Boyd (2005)[17] efficiency content in feed (%) protein content (%) feed protein applied to protein contained in the net harvest biomass of the culture species" Protein conversion [FCR * feed crude - "The protein conversion ratio (PCR) is the ratio Boyd (2005)[17] ratio protein content of feed protein to net harvest biomass" (%)]/100 Protein efficiency body weight or protein fed (kg/tonnes) Describes protein utilization as a measure of Ytrestøyl et al. ratio biomass produced weight increase per amount of protein fed (2014)[20] (kg/tonnes) Protein production fish crude protein crude protein weight - Pucher et al. (2014) [22] value weight gain * 100 in feed Waste production [[DMR - 1] * - "The waste production ratio (WPR) is the ratio Boyd et al. (2007)[16] ratio percent dry matter of waste to live weight production of the culture in culture species" species]/100
Marine oil dependency ratio weight of oil in feed (kg/tonnes) fish oil weight gain (kg/tonnes) “Reflect resources used by aquaculture because feed manufacturers use proteins and lipids, not whole fish” “Allow for comparison of MNDRs [marine nutrient dependency ratios] between farmed species, despite differences in the body composition of these species” Crampton et al. (2010)[21] Nutrient retention Amount of nutrient or energy incorporated in animal (whole body or edible part) Amount of nutrient or energy used in feed “[Nutrient-to-nutrient ratios] are a measure of the proportion of the dietary nutrients and energy that is retained in the animal product.” Ytrestøyl et al. (2014)[20] Protein conversion efficiency FCR * crude protein content in feed (%) culture species crude protein content (%) "Protein efficiency is an estimate of the ratio of feed protein applied to protein contained in the net harvest biomass of the culture species" Boyd (2005)[17] Protein conversion ratio [FCR * feed crude protein content (%)]/100 - "The protein conversion ratio (PCR) is the ratio of feed protein to net harvest biomass" Boyd (2005)[17] Protein efficiency ratio body weight or biomass produced (kg/tonnes) protein fed (kg/tonnes) Describes protein utilization as a measure of weight increase per amount of protein fed Ytrestøyl et al. (2014)[20] Protein production value fish crude protein weight gain * 100 crude protein weight in feed - Pucher et al. (2014) [22] Waste production ratio [[DMR - 1] * percent dry matter in culture species]/100 - "The waste production ratio (WPR) is the ratio of waste to live weight production of the culture species" Boyd et al. (2007)[16]
ERL_024017_SD.docx