Sheep Breeding

Sheep Breeding

Studies in the Agricultural and Food Sciences

2nd Edition - January 1, 1979

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  • Editors: G.L Tomes, D.E. Robertson, R.J. Lightfoot
  • eBook ISBN: 9781483162133

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Description

Sheep Breeding, Second Edition covers sheep breeding in its widest context through a collection of papers about sheep breeding from experts in the field across the globe. The book incorporates sections composed of general review articles and important research findings on the structures and objectives of national sheep industries from many of the major sheep-producing areas of the world. The text also discusses the genetic selection and breed improvement; stud breeding and cooperative breeding schemes; reproduction in the ewe; and male reproduction and artificial insemination. The monograph is recommended for those who wish to learn different techniques and practices in raising and breeding sheep, especially those who are new in the field. The book is also for those who wish to conduct research that would help improve raising and breeding sheep.

Table of Contents


  • I National Sheep Industries–Structure, Breeds and Objectives

    1 The Sheep and Wool Industry of Australia-A Brief Overview

    2 Australian Sheep Breeding Programs-Achievements and The Future

    3 Sheep Breeding in France

    4 National Sheep Breeding Programs New Zealand

    5 Sheep Breeding Programs in South Africa

    6 Sheep in South-East Asia

    7 Sheep Breeding in the U.S.A.

    8 National Sheep Breeding Programs-Great Britain

    9 Sheep Breeding in Uruguay

    10 The Sheep Industry and Sheep Breeding in Russia

    II Genetic Selection and Breed Improvement

    11 Methods of Improving Production in Characters of Importance

    12 Response to Selection for Increased Fleece Weight in Merino Sheep

    13 Selection of Merino Rams for Wool Production Efficiency

    14 Selection for Increased Profitability in a Fine Wok Merino Flock

    15 The Impact of Environmental Factors on Sheep Breeding in the Semi-Arid Tropics

    16 Husbandry and Genetic Considerations Affecting Sheep Breeding in the Semi-Arid Tropics

    17 The Influence of Parasites on Selection Parameters in Sheep

    18 Genetic Improvements of Fertility and Fly Resistance

    19 Problems in the Use of Exotic Genotypes

    20 Exploitation of Exotic Genotypes

    21 A Cross-Breeding Experiment with Finnish Landrace, Ile de France and Texel. Some Preliminary Results

    22 The Need for Dual-Purpose Sheep

    23 Development of the Gromark-A New High Performance Dual-Purpose Sheep Breed

    24 Growth of Dissectible Fat in the Merino

    III Group Breeding Schemes and Stud Breeding

    25 The Theory Behind Breeding Schemes

    26 The Promotion of Breeding Schemes among Stud Breeders

    27 Sociological, Economic, Business and Genetic Aspects of Sheep Group Breeding Schemes

    28 Advantages of Group Breeding Schemes

    29 The Australian Merino Society Nucleus Breeding Scheme

    30 Stud Merino Breeding

    31 The Use of Fleece Measurement in Sire Selection by Western Australian Stud Breeders

    32 Factors Influencing The Efficiency with Which Merino Studs Select for Increased Wool Production

    33 The Coolah High Fertility Merino Flock-A Co-operative Group Breeding Scheme

    34 The Development of Co-operative Breeding Schemes in New Zealand

    35 Productive Levels of Sheep in New Zealand and Programs Aimed at Improvement

    IV Reproduction in the Ewe

    36 Limitations to Female Reproductive Efficiency

    37 Embryo Mortality

    38 Evidence and Confirmation of Late Embryo Loss in a Flock of Merino Ewes

    39 Returns to Service, Embryonic Mortality and Lambing Performance of Ewes with One and Two Ovulations

    40 Ram and Ewe Effects on Fertility in Sheep Breeds and Strains Differing in Reproductive Potential

    41 Ovulation and Lambing Results with Booroola and Booroola-Cross Merino Ewes in Western Australia

    42 Lupin Stubbles and Ewe Fertility

    43 The Fertility of Merino Ewes Grazed on Standing, Unharvested Sweet Lupins Prior to and During Joining

    44 Age of Ewe and Response to Lupins: Effect of Lupin Supplementation on Ovulation Rate

    45 Clover Disease in Western Australia

    46 Genetic Aspects of Puberty in Merino Ewes

    47 Assessment of New and Traditional Techniques of Selection for Reproduction Rate

    48 Synchronization of Ovulation

    49 Controlled Breeding of Sheep and Goats

    50 Manipulation of The Breeding Cycle

    51 Use of a Prostaglandin Analogue (ICI 80996) for The Synchronization of Oestrus and Lambing in Merino Ewes

    52 Culture, Storage and Transfer of Sheep Embryos

    53 Ovarian Steroid Secretion in Sheep during Anoestrus

    V Male Reproduction and Artificial Insemination

    54 Mating Behavior in Sheep

    55 Behavioral Principles as a Foundation for Sheep Management

    56 Sexual Activity in Merino Rams

    57 Semen Quality and Quantity in the Ram

    58 Some Problems of Evaluating Semen Quality

    59 Factors Affecting The Fertility of Diluted Ram Semen

    60 Storage of Ram Semen

    61 Fertility after Non-Surgical Intra-Uterine Insemination with Frozen-Pelleted Semen in Ewes Treated with Prostaglandin F2α

    62 Studies in Artificial Insemination of Sheep in Western Australia

    63 Organization of Artificial Breeding Programs of Sheep in Western Australia

    64 Artificial Insemination of Sheep in the Soviet Union

    65 The Effect of Feeding a High Protein Supplement before Joining on Testicular Volume of Rams

    Index

Product details

  • No. of pages: 596
  • Language: English
  • Copyright: © Butterworth-Heinemann 1979
  • Published: January 1, 1979
  • Imprint: Butterworth-Heinemann
  • eBook ISBN: 9781483162133

About the Editors

G.L Tomes

D.E. Robertson

R.J. Lightfoot

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