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The mission statement of the 3Rs-Centre Utrecht Life Sciences (ULS) is to stimulate the development, acceptance and implementation of methods which can Replace, Reduce and Refine (the 3Rs) animal experiments. The centre is affiliated with Utrecht Life Sciences and provides information and advice to the Animal Welfare Body of both Utrecht University and the University Medical Centre Utrecht.

Understanding Animal Research aim to provide all you want to know about animal research, whether you are a concerned member of the public or have a special interest.

This Website was created to serve as a gateway to alternatives news, information, and resources on the Internet and beyond. Altweb hosts the journal ALTEX: Alternatives to Animal Experimentation, which is the official publication of the Johns Hopkins Center for Alternatives to Animal Testing (CAAT).

Welcome to the Node: the community site for and by developmental biologists. The Node is a place for you to share news from the developmental biology community, to discuss relevant topics or just see what’s new. And you can do more than reading – we are a community site, so anyone can post on the Node after creating an account. The Node is run by the journal Development and its publisher, The Company of Biologists. We get around 20,000 visitors per month, and typically publish one post per day.

Bibliography on Alternatives to Animal Testing (Altbib), is a resource portal for Alternatives to the Use of Live Vertebrates in Biomedical Research and Testing hosted by Specialized Information Services of US National Library of Medicine.

Recommendations for Excellence: as part of ongoing efforts to reduce waste and increase the reproducibility of animal research and testing, a group of experts led by the Secretary of Norecopa has produced a set of guidelines for planning animal experiments

CAAT is an academic, science based centre within the John Hopkins Bloomberg School of Public Health in the USA and the University of Konstanz in Germany which is  dedicated to the promotion of research intoin vitro and other alternative techniques, Three Rs education and information.

The Swiss 3R Competence Centre (3RCC) promotes the 3Rs principle (replacement, reduction and refinement of animal experimentation) among the scientific community and the public. To facilitate the development and implementation of effective 3R methods and improve animal welfare it challenges research paradigms and creates innovative alternatives to animal use.