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Rats, Long-Evans: An outbred strain of rats developed in 1915 by crossing several Wistar Institute white females with a wild gray male. Inbred strains have been derived from this original outbred strain, including Long-Evans cinnamon rats (Rats, Inbred lec) and Otsuka-Long-Evans-Tokushima Fatty rats (Rats, Inbred oletf), which are models for Wilson's disease and non-insulin dependent diabetes mellitus, respectively.
 JoVE Behavior

Moderate Prenatal Alcohol Exposure and Quantification of Social Behavior in Adult Rats

1Department of Psychology, University of New Mexico, 2Department of Neurosciences, University of New Mexico, 3Department of Psychiatry and Behavioral Sciences, University of New Mexico, 4Canadian Centre for Behavioural Neuroscience, University of Lethbridge


JoVE 52407

 JoVE Neuroscience

Kinematics and Ground Reaction Force Determination: A Demonstration Quantifying Locomotor Abilities of Young Adult, Middle-aged, and Geriatric Rats

1CullenWebb Animal Neurology & Ophthalmology Center, Riverview, NB, 2Department of Clinical Neurosciences, Faculty of Medicine, University of Calgary, 3Department of Comparative Biology and Experimental Medicine, University of Calgary, 4Department of Neuroscience, University of Calgary


JoVE 2138

 JoVE Medicine

Performing Permanent Distal Middle Cerebral with Common Carotid Artery Occlusion in Aged Rats to Study Cortical Ischemia with Sustained Disability

1Wolfson Centre for Age-Related Diseases, King's College London, University of London, 2Department of Neuroimaging, James Black Centre, Institute of Psychiatry, King's College London, University of London, 3Institute of Neuroscience and Psychology, Wellcome Surgical Institute, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, 4Research Service, Edward Hines Jr. VA Hospital, 5Neurology Service, Edward Hines Jr. VA Hospital, 6Department of Molecular Pharmacology and Therapeutics, Neuroscience Research Institute, Loyola University Chicago, 7Department of Oncology, The Gray Institute for Radiation, Oncology and Biology, University of Oxford


JoVE 53106

 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 Medicine

Automated Measurement of Microcirculatory Blood Flow Velocity in Pulmonary Metastases of Rats

1Division of Plastic, Maxillofacial, and Oral Surgery, Duke University Medical Center, 2Department of Radiation Oncology, Duke University Medical Center, 3Department of Cardiology, University of Colorado Denver, 4Department of Physical Chemistry, University of Mainz


JoVE 51630

 JoVE Neuroscience

Isolation of Cerebrospinal Fluid from Rodent Embryos for use with Dissected Cerebral Cortical Explants

1Department of Physical Medicine and Rehabilitation, VA Greater Los Angeles Healthcare System, 2Department of Pharmacology and Physiology, Institute for Neuroscience, The George Washington University School of Medicine and Health Sciences, 3Division of Genetics, Department of Medicine, Boston Children's Hospital, 4Howard Hughes Medical Institute, Boston Children's Hospital, 5Department of Pathology, Boston Children's Hospital, Harvard Medical School


JoVE 50333

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