Автор: | Группа авторов |
Издательство: | John Wiley & Sons Limited |
Серия: | |
Жанр произведения: | Биология |
Год издания: | 0 |
isbn: | 9781119602460 |
rel="nofollow" href="#ulink_0a876960-819c-5172-95b4-b2507e8391fc">Preventing Unwanted or Multiple Pregnancies
Helpful Hints
Transferring the Embryo
Summary
Dedication
References
Resources
84 Selection and Management of the Embryo Recipient Herd
Introduction
Nutritional Management
Estrous Cycle Control
Recipient‐Related Factors
American Embryo Transfer Association Survey
Conclusion
Summary
References
85 Evaluation of In Vivo Derived Bovine Embryos
Introduction
History of Bovine Embryo Evaluation
Refinement of the Morphological Embryo Evaluation Method
History of the IETS Grading and Classification System
The Importance of a Good Microscope
Normal In Vivo Bovine Embryonic Development
IETS Grading and Classification System
Stage of Embryonic Development
Embryo Quality Grade
Embryo Evaluation Procedure
Practical Application of Embryo Evaluation Guidelines
Non‐Transferable Quality Embryos
Unfertilized Ova
Dead or Degenerating Embryos
Transferable Quality Embryos
Extruded Cells
Misshapen or Flat Zona Pellucida
Lipids in the Cytoplasm
Cracked Zona Pellucida
Irregular Shape of Cells Comprising the Embryo
Material Adhering to the Zona Pellucida
Challenges to Accurate Embryo Grading and Classification
Embryo Evaluation Tip
The Effectiveness of Morphological Embryo Evaluation
Conclusion
Summary
References
86 Control of Embryo‐Borne Pathogens
Introduction
First Generation of Embryo Technologies
Sources of Pathogens
Categorization of Pathogenic Agents of Embryos
Control of Viral Pathogens
Embryo Transfer as a Means of Controlling Pathogen Transmission
Second Generation of Embryo Technologies
Third Generation of Embryo Technologies
Experimental Treatments
Summary
References
87 Cryopreservation of Bovine Embryos
Introduction
Cryopreservation
Applications for Vitrification
Embryo Selection, Handling, and Preparation
Embryo Freezing
References
88 Managing the “Problem Donor”
Introduction
The Donor
Problems Related to Donors
An Alternative for the Problem Donor: in vitro Production of Embryos
Summary
References
89 In Vitro Fertilization
Introduction
Collection of Oocytes
Media
Maturation
Fertilization
In Vitro Culture of Embryos
Cryopreservation of IVP Embryos
Transfer of IVP Embryos
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