However, beside the benefits of it there are also some disadvantages (Stubblefield, 2009; Murnaghan, 2010c). Costs of housing animals, the reproducibility in human and the necessity of the product are aspects which they often need to consider more before using laboratory animals. Therefore alternative tests are needed to reduce the use of animals. In vitro techniques are considered as important alternatives but they lack the complexity of the human body (Murnaghan, 2010a). The use of lower organisms, such as bacteria, fungi and insects, can complement these shortcomings because they can produce substances which animals also can create (Murnaghan, 2010a). Other possibilities are magnetic resonance imaging (MRI), positron emission tomography (PET) scans, computerized axial tomography (CAT) scans and telemetry. These are methods to follow the physiological processes in animals without treating them, so these are also good alternatives that can be used. Synthetic membranes, statistics and computer models can also avoid the use of animals. Synthetic membranes can be used to determine the effect of chemicals and treatments on skin tissue. Statistical procedures can allow researchers to use comprehensive data sets to better gauge how a disease can spread. Using data that was previously obtained from animal
References: Berlin, A. (2011). Animal Liberation Front, from http://www.animalliberationfront.com/ The Body Shop. (2010), from http://www.thebodyshop-usa.com/ Environment, E. C. (2010, 26 October 2010). Laboratory Animals, from http://ec.europa.eu/environment/chemicals/lab_animals/nextsteps_en.htm Fund for the Replacement of Animals in Medical Experiments. (2006), from http://www.frame.org.uk/page.php?pg_id=18 Holsbeeks, I. (2011). Laboratory animals. Trends and Innovations in the Biochemical Sector, Group T – Leuven Engineering College Murnaghan, I. (2010a, 20 August 2010). About Animal Testing, from http://www.aboutanimaltesting.co.uk/replacing-animal-tests-with-stem-cells.html Murnaghan, I. (2010b, 31 August 2010). New Technologies as Alternatives to Animal Testing, from http://www.aboutanimaltesting.co.uk/new-technologies-alternatives-animal-testing.html Murnaghan, I. (2010c, 9 December 2010). Using Animals for Testing: Pros vs cons, from http://www.aboutanimaltesting.co.uk/using-animals-testing-pros-versus-cons.html People for Ethical Treatment of Animals. (2011), from http://www.peta.org Stubblefield, H. (2009, 24 August 2009). The Pros and Cons of Animal Testing. Medical Science, from http://www.edubook.com/the-pros-and-cons-of-animal-testing/11965/