Artificial insemination (AI) and embryo transfer (ET) are commonplace in conventional animal breeding. Selection of males is less intense in this as a bull can be used for mating only 2-3 times, i.e. These range from conventional breeding techniques (CBT), established techniques of genetic modification (ETGM) and a growing number of what are commonly called new breeding techniques (NBT). animal genetic resources to provide evidence to inform policy debates. Generations: P1 x P2 F1 F2 Too much inbreeding, beyond S6, may be deleterious Year 1 Year 2 Year 3. … MEENAKSHI M.Sc. Random breeding methods are used to maintain outbred stock. The primary enclosure provides the limits of the animal’s immediate environment. Breeding of and Experiments on Animals (Control and Supervision) Rules, 2006 45 -48 6. INSTITUTE FOR LAbORATORy ANIMAL RESEARCH PUbLICATIONS. Reproduction and Breeding Techniques for Laboratory Animals. Selecting for breeding animals with superior EBV in growth rate, egg, meat, milk, or wool production, or with other desirable traits has revolutionized livestock production throughout the … Thi s comparison was made first over a 10-week period but the animals were maintained in Backcross. Several sections of the guidelines have yet to be finalised, but the Councils are now issuing those relating to housing and care of laboratory animals. Inbreeding has not been initiated; instead, systematic mating of cousins is used in an attempt to preserve heterozygosity, since this is thought to be better than random mating in smaller … It is not intended to be a comprehensive text on animal anaesthesia, but concentrates on those areas that are of greatest practical importance when anaesthetizing laboratory animals. Furthermore, processes III. Many of the techniques used are poorly understood and produce unpredictable results. Large numbers of animals may be required to maintain a breeding colony. 1st Year ANIMAL HANDLING TECHNIQUES 2. h�bbd```b``� "��H��`M��&���k�����������5�T� ��@�� �i��d/��6��$�uAl�8 �4�Ė��>������&H��L�?×�� ��b Georgia in 1997. Rose 6 1.1 Introduction 6 1.2 Minimisation of pain, distress, fear and anxiety 6 1.3 Methods of euthanasia 9 1.4 Special considerations with the age of the animal 12 1.5 Signs of death 14 1.6 Disposal of carcases 15 The macroenvironment is the physical environment of the secondary enclosure (suc h as an animal holding room, a barn, etc.). Mouse stocks and breeding methods were as de-scribed by Bruce & Emmens (1948). But recent developments in molecular biology have given biotechnology ... basic tools of modern biotechnology (6). The Guide for the Care and Use of Laboratory Animals provides a framework for the judgments required in the management of animal facilities—a resource of proven value, now updated and expanded. Observations on the feeding of guinea-pigs - Volume 45 Issue 1. These include genetics, statistics, reproductive physiology, computer science, and molecular genetics. accordance with the U.K. Other new reports, such as the 1997 Occupational Health and Safety in the Care and Use of Research Animals and the 1998 The Psychological Well-Being of Recognition and Alleviation of Pain in Laboratory Animals (2009) Scientific and Humane Issues in the Use of Random Source Dogs and Cats for Research (2009) Recognition and Alleviation of Distress in Laboratory Animals (2008) Toxicity Testing in the 21st Century: A Vision and a Strategy (2007) CPCSEA Guidelines for Laboratory Animal Facility - 2015 61 -96 8. Full text Full text is available as a scanned copy of the original print version. The goal of that course was to train students to program new ideas in animal breeding. Artificial insemination (AI) and embryo transfer (ET) are commonplace in conventional animal breeding. Estimates of repeatability obtained from this study were 0.29, 0.26, 0.22, 0.38, 0.41, and 0.74 for BWs of chickens at 1 day, 4, 8, 9, 10 and 16 weeks of age respectively (Table 9). Basically, there are two methods of breeding which are as follows: Inbreeding : Breeding of the related animals as sire ... inbreeding is intentionally practiced to create genetic uniformity of laboratory stocks and to produce stocks for crossing (animal and plant breeding). Selection of males is less intense in this as a bull can be used for mating only 2-3 times, i.e. Animal Breeding Principles and Practice in the Philippine Context, Orville L. Bondoc, 2008, Science, 386 pages. Stephen A. The other method is artificial insemination. Animal breeding is a branch of animal science that addresses the evaluation (using best linear unbiased prediction and other methods) of the genetic value (estimated breeding value, EBV) of livestock. animals. 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