Statistics second half of 2024

Statistics second half of 2024

At the CNB animal facility we continue our efforts to implement the 3R’s (reduction, replacement and refinement) a little more each day in the daily work of the researchers. Comparing the data with those provided in mid-2024, it can be seen that the total number...
Statistics First semester 2024

Statistics First semester 2024

The dynamics of animal production at the CNB tends to produce more animals that are not needed for experimentation, but to generate the genetically modified lines necessary to carry out experiments. In this semester, the percentage of animals used in experimentation...
Statistics Second Half Year 2023

Statistics Second Half Year 2023

The following graph shows the great difference between the animals that have not participated in experiments (80%), but which have been necessary to obtain the 903 animals used in research. At the CNB, most of these animals are used for research on sensory organs (16%...
Statistics First Half Year 2023

Statistics First Half Year 2023

The dynamics between animals used in experimentation and those not used was very similar in the previous semester, generating 4706 animals that were not used in experimentation (83% of the total) but which were also used to develop the projects. The number of...