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The Relationship of Sperm Motility Pattern and Its Ability to Agglutinate with Vaginal Sperm Selection, Uptake in Sperm Storage Tubules and Competitiveness

Sayed, Mohamed A M; Abd Elhafeez, Hanan H; Rutland, Catrin S; El-Sherry, Taymour M

The Relationship of Sperm Motility Pattern and Its Ability to Agglutinate with Vaginal Sperm Selection, Uptake in Sperm Storage Tubules and Competitiveness Thumbnail


Authors

Mohamed A M Sayed

Hanan H Abd Elhafeez

Taymour M El-Sherry



Contributors

Guillermo Téllez-Isaías
Editor

Abstract

To ensure survival, some unique features can be distinguished in birds that help them maintain reproduction. These features include the ability to store sperm for long periods within the utero-vaginal junction, a high sperm concentration per ejaculate, and polyspermy fertilization. Sperm face many challenges prior to fertilization. After copulation, most ejaculated sperm exit the female reproductive tract, and less than 1% continue in an attempt to achieve fertilization. In addition, egg size is substantially larger than sperm size because of the presence of the egg yolk. This results in a large number of sperm penetrating the egg away from the oocyte. These challenges have triggered evolutionary changes to maintain the existence of many species, such as the enormous relative size of the testis, which produces billions of sperm each day, and the ability to store viable sperm for long periods in the oviduct to ensure asyn-chronous fertilization. This chapter discusses several contemporary and sometimes controversial points regarding sperm behavior and their storage in the oviduct.

Acceptance Date Jan 25, 2023
Online Publication Date Mar 2, 2023
Publication Date Mar 2, 2023
Deposit Date Mar 10, 2023
Publicly Available Date Mar 10, 2023
Publisher IntechOpen
Book Title Poultry Farming - New Perspectives and Applications [Working Title]
Chapter Number 20
DOI https://doi.org/10.5772/intechopen.110198
Keywords Microfluid device; rheotaxis; Sharkasi and danderwai chickens; sperm mobility; sperm selection; sperm storage tubules; sperm agglutination
Public URL https://nottingham-repository.worktribe.com/output/18236817
Publisher URL https://www.intechopen.com/online-first/86202

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Copyright Statement
© 2023 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.




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