Open Access. Powered by Scholars. Published by Universities.®
Research Methods in Life Sciences Commons™
Open Access. Powered by Scholars. Published by Universities.®
Articles 1 - 2 of 2
Full-Text Articles in Research Methods in Life Sciences
Ld50: A Cruel Waste Of Animals
Ld50: A Cruel Waste Of Animals
Close Up Reports
Imagine a test in which up to 100 animals are forced to consume a toxic substance in an amount high enough to kill half of them. Then imagine that the explicit purpose of the test is to kill those animals. Incredibly, such a test not only exists but each year also claims the lives of from two to four million animals.
The test is the lethal dose 50, or LD50 as it's commonly called. Its purpose is to measure the toxicity of a substance by determining how much of that substance will kill half of a group of some 60-100 …
Psychology And Its Animal Subjects, Kenneth J. Shapiro
Psychology And Its Animal Subjects, Kenneth J. Shapiro
Experimentation Collection
By way of introducing Psychologists for the Ethical Treatment of Animals (PsyETA) to readers of the journal, I have been asked to make some comments about the organization and, from a personal point of view, to suggest some of my own positions and views.