THIS EDITORIAL is written for the purpose of directing attention to a publication by the United States Department of Health, Education, and Welfare on the care of the dog in research institutions. This pamphlet fills a need in medical research, and it is suggested that every institution using dogs for medical research conform to the principles of dog care as presented in this pamphlet. It can be procured from the Superintendent of Documents, U. S. Government Printing Office, Washington 25, D. C.
There are several reasons for the adoption of these principles of dog care by every research institution. One of the most compelling reasons concerns science itself. The results can be thrown off if an experimental study is carried out on sick dogs. Additional variables are introduced into a scientific study if dogs are used that are not in normal health. Such variables, if they become a part of