Feeding practices, feed development and genetics have reduced nutrient loading of rainbow trout farming by over 65 %

In Finland, 47 million kilos of Atlantic salmon and rainbow trout are consumed annually. Only around 23.4%, that is 11 million kilos, is produced domestically(1). Reducing the environmental impact is a key factor for development of sustainable food production. In Finland, nutrient loading of aquaculture has been successfully reduced during the last decades with better feeding practices, feed development, animal breeding and other actions. Feed conversion ratio (FCR) is the …