Excerpt from Veterinary Resources Program, National Center for Research Resources, National Institutes of Health: Annual Report for Fy 1995To develop and maintain models of human disease in small animals for the use by the biomedical research community.Selective breeding is the primary means of developing these models. Only those individuals who are known to genetically carry the trait in question are allowed to reproduce.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully, any imperfections that remain are intentionally left to preserve the state of such historical works.