Genetics of Reproduction in Sheep

Genetics of Reproduction in Sheep

1st Edition - November 21, 1984

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  • Editors: R.B. Land, D.W. Robinson
  • eBook ISBN: 9781483161730

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Genetics of Reproduction in Sheep is a compilation of papers that are concerned with the study and application of genetics to the reproduction in sheep. The book is divided into six parts, grouping the papers according to topic. The main topics include genetic variation and selection; the inheritance and the effects of the Booroola gene; genetic strategies for single genes; physiology of genetic variation; the physiological criteria of genetic merit; and the national requirement and systems of husbandry. The text is recommended for those involved with raising sheep and plan to apply genetics in their reproduction, as well as for geneticists who wish to conduct studies on how their field is applied to sheep reproduction.

Table of Contents

  • I Genetic Variation and Selection

    1 Selection for Litter Size

    2 Crossbreeding for Fecundity

    3 Evaluation and Utilization of Finn Sheep

    4 The Performance of Romanov Crosses and Their Merits as a Basis for Selection

    5 Genetic Studies of Reproduction in Norwegian Sheep

    6 Crossbreeding for Fecundity in Subtropical Sheep

    7 The Fecundity of the Chios Sheep

    8 Prolific Breeds of Goat

    9 Reproductive Physiology in South American Camelids

    10 Genetic and Maternal Effects on Sheep Reproduction and Their Influence on Selection

    11 Improvement of Reproductive Performances in Rasa Aragonesa. Present Results in Selection and Crossbreeding Experiments

    12 The Preliminary Results of Selection for Prolificacy in Polish Merino Sheep

    II The Inheritance and Effects of the Booroola Gene

    13 The Single Gene Inheritance of the High Litter Size of the Booroola Merino

    14 The Productivity of Bungaree, Booroola X Bungaree and Trangie Fertility X Bungaree Merino Ewes in South Australia

    15 Introduction and Management of the Booroola Gene in Sheep Flocks in New Zealand

    III Genetic Strategies for Single Genes

    16 Utilization of Major Genes

    17 Single Genes for Fecundity in Icelandic Sheep

    18 Principles and Practice for the Use of the Booroola Merino in Extensive Husbandry

    19 Linear Programming Model for Incorporating the Booroola Gene into Another Breed

    IV Physiology of Genetic Variation

    20 Breed Differences in Ovulation Rate and Uterine Efficiency and Their Contribution to Fecundity

    21 Contribution of Variation in Ovulation Rate and Embryo Survival to within Breed Variation in Litter Size

    22 The Mechanism of Action of Genes Controlling Reproduction

    23 Reproductive Endocrinology of Prolific Sheep: Studies of the Booroola Merino

    24 Ovulation Rate and Oestrus in Booroola Genotypes: Some Effects of Age, Season and Nutrition

    25 Sexual and Ovarian Function of the D'man Ewe

    26 Folliculogenesis in Sheep: Control of Ovulation Rate

    27 Physiological Criteria for Embryo Mortality: Is Asynchrony Between Embryo and Ewe a Significant Factor?

    28 Physiological Criteria in Genetic Selection for Aseasonality

    29 Parameters of Male Fertility and Their Genetic Variation in Sheep

    30 FSH Plasma Levels in Male and Female Lambs Issued from Lacaune Rams with High or Low Prolificacy Index

    V Physiological Criteria of Genetic Merit

    31 Detection and Genetic Assessment of Physiological Criteria of Merit Within Breeds

    32 Testis Size and LH Response to LH-RH as Male Criteria of Female Reproductive Performance

    33 Heritabilities of Testis Size and Sexual Behavior in Males and Their Genetic Correlations with Measures of Female Reproduction

    VI Nutritional Requirements and Systems of Husbandry

    34 Protein, Energy and Ovulation Rate

    35 Nutritional Requirements of the Pregnant and Lactating Ewe

    36 The Possibilities for Improving the Performance of Ewes Suckling Three or More Lambs in Grazing Systems

    37 The Utilization of Romanov Sheep in a System of Integrated Husbandry

    38 Productivity of Booroola Cross Merinos in Western Australia

    39 Intensive Husbandry of Fecund Sheep


Product details

  • No. of pages: 440
  • Language: English
  • Copyright: © Butterworth-Heinemann 1984
  • Published: November 21, 1984
  • Imprint: Butterworth-Heinemann
  • eBook ISBN: 9781483161730

About the Editors

R.B. Land

D.W. Robinson

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