432,509 research outputs found

    Animal Genetics

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    Animal genetics is a field of science with important theoretical and practical significance in finding the answers for the actual problems of mankind. We hope that the readers will discover some new facts regarding the relationship between plasma proteins and boar semen freezability, the importance of some behavioral factors that affect reproduction in horses, and also an important chapter regarding the use of genetically modified organisms for the repopulation of species of commercial importance in aquatic environments, their effect on the genetic pool, risks to protected areas, and policies for their proper management

    Value Added to the Beef Cattle Chain through Genetic Management

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    Genetics have a direct impact on the carcass quality of an animal. The objective of the study is to determine whether managing genetics has an impact on quality of beef carcasses. Genetic management was found to have a positive impact on quality grade and no impact on yield grade.Livestock Production/Industries,

    The genomes and history of domestic animals

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    This paper reviews how mammalian genomes are utilized in modern genetics for the detection of genes and polymorphisms (mutations) within domesticated animal (mostly livestock) genomes that are related to traits of economic importance to humans. Examples are given of how genetic analysis allows to determine key genes associated with the quality and quantity of milk in cattle and key genes for meat production. Various questions are reviewed, such as how contemporary methods of genome sequencing allow to maximise the effective detection of coding and regulatory DNA polymorphisms within the genomes of major domesticated mammals (cattle, sheep and pigs) and the history of their formation from the standpoint of genetics

    Tourette syndrome research highlights 2015 [version 1; referees: 3 approved]

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    We present selected highlights from research that appeared during 2015 on Tourette syndrome and other tic disorders. Topics include phenomenology, comorbidities, developmental course, genetics, animal models, neuroimaging, electrophysiology, pharmacology, and treatment. We briefly summarize articles whose results we believe may lead to new treatments, additional research or modifications in current models of TS

    The value of animal models in predicting genetic susceptibility to complex diseases such as rheumatoid arthritis

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    For a long time, genetic studies of complex diseases were most successfully conducted in animal models. However, the field of genetics is now rapidly evolving, and human genetics has also started to produce strong candidate genes for complex diseases. This raises the question of how to continue gene-finding attempts in animals and how to use animal models to enhance our understanding of gene function. In this review we summarize the uses and advantages of animal studies in identification of disease susceptibility genes, focusing on rheumatoid arthritis. We are convinced that animal genetics will remain a valuable tool for the identification and investigation of pathways that lead to disease, well into the future

    The physiology of pregnancy in the rat

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    1. THE PHYSIOLOGY OF PREGNANCY IN THE RAT.-I. THE PROLONGATION AND INTERRUPTION OF PREGNANCY. By ANNIE MELDRUM HAIN From the Department of Animal Genetics, University of Edinburgh. (With eight tables.) QUATERLY JOURNAL OF EXPERIMENTAL PHYSIOLOGY. VOL. XXII. No.3 (Issued 13th December 1932). 2. THE PHYSIOLOGY OF PREGNANCY IN THE RAT. FURTHER DATA BEARING ON THE PROLONGATION OF PREG-NANCY, WITH A STUDY OF THE EFFECTS OF OÖPHORECTOMY DURING PREGNANCY. By ANNIE M. HAIN (Carnegie Research Scholar), The Institute of Animal Genetics, University of Edinburgh. (Received for publication 1st March 1933.) 3. THE PHYSIOLOGY OF PREGNANCY IN THE RAT: AN HORMONAL INVESTIGATION INTO THE MECHANISM OF PARTURITION. EFFECT ON THE FEMALE RAT OF THE ANTE-NATAL ADMINISTRATION OF OESTRIN TO THE MOTHER . By ANNIE MELDRUM HAIN (CARNEGIE RESEARCH FELLOW). Institute of Animal Genetics, University of Edinburgh. QUATERLY JOURNAL OF EXPERIMENTAL PHYSIOLOGY. VOL. 25. No.2 (Issued July 1935). 4. THE PHYSIOLOGY OF PREGNANCY IN THE RAT: FURTHER DATA ON THE PASSAGE OF HORMONES VIA THE PLACENTA AND THE MOTHER’S MILK. By ANNIE MELDRUM HAIN (CARNEGIE RESEARCH FELLOW). Institute of Animal Genetics, University of Edinburgh. QUATERLY JOURNAL OF EXPERIMENTAL PHYSIOLOGY. VOL. 26. No.1 (Issued April 1936). 5. THE EFFECT OF SUCKLING ON THE DURATION OF PREGNANCY IN THE RAT (WISTAR ALBINO) BY A. M. HAIN, PH.D. (Carnegie Research Scholar.) (Institute of Animal Genetics, University of Edinburgh.) (Received loth December, 1933.) REPRINTED FROM THE JOURNAL OF EXPERIMENTAL BIOLOGY, VOL. XI, No. 3, pp. 279 -282, JULY 1934 6. EFFECT UPON LACTATION OF OÖPHORECTOMY DURING PREGNANCY. (ALBINO RAT.) By ANNIE M. HAIN (Carnegie Research Scholar). Institute of Animal Genetics, University of Edinburgh. QUATERLY JOURNAL OF EXPERIMENTAL PHYSIOLOGY. 1934. (Received for publication 1st March 1933.) 7. THE EFFECT (a) OF LITTER -SIZE ON GROWTH AND (h) OF OESTRONE ADMINISTERED DURING LACTATION (RAT). By ANNIE M. HAIN (Carnegie Research Fellow). From the Institute of Animal Genetics, University of Edinburgh. . QUATERLY JOURNAL OF EXPERIMENTAL PHYSIOLOGY. VOL. 25. No.4 (Issued December 1935). 8. An Effect on the Rat of Antenatal and Postnatal Administration of OEstrin BY A. M. HAIN, Ph.D. Carnegie Research Fellow, Institute of Animal Genetics, Edinburgh. Reprinted from the EDINBURGH MEDICAL JOURNAL, NEW SERIES (IVth), VOL. XLII., 1935 9. INCREASE IN WEIGHT OF THE MOTHER AND OF THE TUTUS DURING PREGNANCY (RAT). By ANNIE M. HAIN. From the Macaulay Laboratory, Institute of Animal Genetics, Edinburgh University. QUATERLY JOURNAL OF EXPERIMENTAL PHYSIOLOGY. VOL. XXII. No.1 (Issued 26th MAY 1932). 10. COMPARATIVE ASSAY OF OESTRONE IN THE RAT AND THE MOUSE A. M. HAIN AND J. M. ROBSON, From the Institute of Animal Genetics and the Department of Pharmacology, University of Edinburgh Received for publication April 2, 1936. Reprinted from THE JOURNAL OF PHARMACOLOGY AND EXPERIMENTAL THERAPEUTICS Vol. 57, No. 4, August, 1936 ("The Assay of Oestrone in the Rat and the Mouse." by L. M. Hain and J.M. Robson. N.B. The Assay on the Rat was done entirely by A.M. Hain; that on the Mouse by J. M. Robson) 11. SPONTANEOUS "DECIDUOMATOUS TUMOURS" _ IN THE PSEUDOPREGNANT RAT. By ANNIE M. HAIN. From the Macaulay Laboratory, Institute of Animal Genetics, Edinburgh University. QUATERLY JOURNAL OF EXPERIMENTAL PHYSIOLOGY. VOL. XXII. No.1 (Issued 26th May 1932). 12. SOME FACTS REGARDING GROWTH OF THE WISTAR RAT UNDER STANDARD CONDITIONS IN BRITAIN (DERIVATIVE EDINBURGH STOCK) 1 A. M. HAIN Institute of Animal Genetics, University of Edinburgh. Reprinted from THE ANATOMICAL RECORD Vol. 59, No. 3, June, 1934 13. CONGENITAL UROGENITAL ANOMALIES IN RATS INCLUDING UNILATERAL RENAL AGENESIA BY A. M. HAIN AND EDWIN M. ROBERTSON REPRINTED FROM THE JOURNAL OF ANATOMY VOL, LXX, PART IV, JULY 193

    U.S. Meat Animal Research Center Clay Center, NE

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    Mission Research Units U.S. Meat Animal Research Center Animal Health Research Unit U.S. Meat Animal Research Center Environmental Management Research Unit U.S. Meat Animal Research Center Genetics & Breeding Research Unit U.S. Meat Animal Research Center Meat Safety and Quality Research Unit U.S. Meat Animal Research Center Nutrition Research Unit U.S. Meat Animal Research Center Reproduction Research Uni
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