Novo Nordisk works to improve animal welfare in accordance with the 3Rs principles to reduce, refine and replace experiments on animals. The number of animals purchased each year by Novo Nordisk will fluctuate due to different research activities in the R&D pipeline.
Novo Nordisk records the number of animals purchased for all research undertaken by Novo Nordisk either in-house or by external contractors. The number is based on internal registration of purchased animals and yearly reports from external contractors.
The number of animals purchased for research in 2016 increased by 16% compared with 2015 due to an increase in early-phase research. In all, 98% of the animals purchased were rodents. The variation in the purchase of large animals from year to year reflects the different development phases the research projects have reached.