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Food Supply: The production of food and its movement from point of origin to use or consumption.
 JoVE Biology

Regular Care and Maintenance of a Zebrafish (Danio rerio) Laboratory: An Introduction

1Centre of Excellence for Alzheimer's Disease Research and Care, School of Medical sciences, Edith Cowan University, 2Centre for Clinical Research in Neuropsychiatry, Graylands Hospital, University of Western Australia, 3McCusker Alzheimer's Research foundation, 4School of Medicine and Pharmacology, University of Western Australia, 5Department of Molecular and Biomedical Sciences, University of Adelaide, 6School of Biomedical Sciences, Curtin University of Technology, 7School of Psychiatry and Clinical Neurosciences, University of Western Australia


JoVE 4196

 Science Education: Essentials of Lab Animal Research

Basic Care Procedures

JoVE Science Education

Source: Kay Stewart, RVT, RLATG, CMAR; Valerie A. Schroeder, RVT, RLATG. University of Notre Dame, IN

Mice and rats account for over 90% of the animals used for biomedical research. The proper care of these research animals is critical to the outcome of experiments. There are general procedures that apply to the majority of these mice and rats, but some of the animals, such as the immunocompromised ones, require additional steps to be taken to sustain them for experimentation. Commonly used immunocompromised mice include those that have naturally occurred in inbred mice and those that have been created through genetic engineering. The first immunocompromised mice used in research were "nude" mice. The BALB/c Nude (nu) mouse was discovered in 1966, within a BALB/c colony that was producing mice lacking both hair and a thymus. These athymic mice have an inhibited immune system that is devoid of T cells. The value of this animal was soon discovered for the use in studies of microbial infections, immune deficiencies, and autoimmunity. Although not as commonly used as the nude mouse, there is also a nude rat. The nude rat is T cell deficient and shows depleted cell populations in thymus-dependent areas of peripheral lymphoid organs. Another naturally occurring immune deficient mouse is the severe comb

 Science Education: Essentials of Lab Animal Research

Fundamentals of Breeding and Weaning

JoVE Science Education

Source: Kay Stewart, RVT, RLATG, CMAR; Valerie A. Schroeder, RVT, RLATG. University of Notre Dame, IN

Millions of mice and rats are bred for use in biomedical research each year. Worldwide, there are several large commercial breeding facilities that supply mice to research laboratories, but many facilities choose to also breed mice and rats in-house to reduce costs and increase research options. When breeding in the animal facility, researchers are able to manipulate the genetics of the animals, time the pregnancies to meet the needs of the research, and work with embryos and neonates as required. Mice and rats can be bred in a variety of schemes and methods. Technical procedures, such as the use of vaginal cytology, visualization of the vaginal area, and observation of copulatory plugs, have been developed to assist with the synchronization of breeding to correspond to research requirements. This manuscript is an overview of the basic fundamentals of mouse and rat breeding and technical procedures used. More detailed descriptions of the complex breeding schemes, and the full description of the methods for vaginal cytology, are available in the list of references.

 JoVE Behavior

Examination of Rapid Dopamine Dynamics with Fast Scan Cyclic Voltammetry During Intra-oral Tastant Administration in Awake Rats

1Interdepartmental Neuroscience Program, Yale University, 2Department of Biotechnical and Clinical Laboratory Sciences, School of Medicine and Biomedical Sciences, University at Buffalo, 3Department of Psychiatry, Yale School of Medicine, 4Department of Cellular and Molecular Physiology, Yale School of Medicine


JoVE 52468

 JoVE In-Press

Drosophila Preparation and Longitudinal Imaging of Heart Function In Vivo Using Optical Coherence Microscopy (OCM)

1Bioengineering Program, Lehigh University, 2Center for Photonics and Nanoelectronics, Lehigh University, 3Department of Electrical and Computer Engineering, Lehigh University, 4State Key Laboratory of Software Engineering, Wuhan University, 5Genetics and Aging Research Unit, Department of Neurology, Massachusetts General Hospital and Harvard Medical School

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JoVE 55002

 JoVE Environment

Colorimetric Paper-based Detection of Escherichia coli, Salmonella spp., and Listeria monocytogenes from Large Volumes of Agricultural Water

1Department of Animal Science, University of Wyoming, 2Department of Chemistry, Colorado State University, 3Department of Environmental and Radiological Health Sciences, Colorado State University, 4Department of Animal Sciences, Colorado State University, 5Department of Plant Sciences, University of California, Davis, 6Department of Food Science and Human Nutrition, Citrus Research and Education Center, University of Florida, 7Department of Food Science and Agricultural Chemistry, McGill University


JoVE 51414

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