New Insights into Poultry Breeding: Advancements in Hatchability, Semen Collection and Fertility Enhancement

A special issue of Animals (ISSN 2076-2615). This special issue belongs to the section "Poultry".

Deadline for manuscript submissions: 15 May 2026 | Viewed by 626

Special Issue Editors


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Guest Editor
Department of Animal Science, Faculty of Agriculture, Khon Kaen University, Khon Kaen, Thailand
Interests: poultry reproduction; semen preservation; artificial insemination; fertility enhancement; hatchability; genetic selection

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Guest Editor
Department of Animal Science, Faculty of Agriculture, Khon Kaen University, Khon Kaen, Thailand
Interests: animal breeding; genetic improvement; reproductive biotechnology; livestock fertility; genomics

Special Issue Information

Dear Colleagues,

This Special Issue focuses on recent advancements in poultry breeding with an emphasis on improving hatchability, semen collection techniques, and fertility enhancement. Poultry production systems are continually evolving, and reproductive efficiency remains a cornerstone for optimizing productivity. This issue aims to explore novel technologies, methodologies, and strategies that enhance reproductive traits in poultry, particularly in the context of genetic selection, semen quality evaluation, cryopreservation, and hatchery management.

The scope includes original research and reviews related to artificial insemination, semen extender development, in vitro sperm evaluation, sperm cryopreservation, and genetic or nutritional strategies aimed at enhancing semen quality and fertility outcomes. Studies that bridge the gap between laboratory techniques and field applications—especially in both native and commercial poultry breeding systems—are particularly encouraged.

This Special Issue will supplement the existing literature by providing updated insights and practical approaches for improving fertility outcomes in both native and commercial poultry species.

We invite researchers, industry experts, and veterinarians to contribute their latest findings and perspectives to help drive innovation in poultry reproduction.

Dr. Vibuntita Chankitisakul
Dr. Wuttigrai Boonkum
Guest Editors

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Keywords

  • poultry breeding
  • semen preservation
  • artificial insemination
  • fertility and hatchability
  • sperm cryopres-ervation
  • genetic selection
  • reproductive biotechnology

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Published Papers (1 paper)

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Research

15 pages, 567 KB  
Article
Type of Extender and Equilibration Time as Factors Affecting Post-Thaw Quality Characteristics of Turkey Semen
by Sara Ataei-Nazari, Filip Benko, Tomáš Slanina, Jakub Vozaf, Michal Ďuračka, Tomáš Války, Peter Chrenek, Eva Tvrdá and Miroslava Kačániová
Animals 2025, 15(21), 3218; https://doi.org/10.3390/ani15213218 - 5 Nov 2025
Viewed by 473
Abstract
Commercial turkey breeding relies almost entirely on artificial insemination, yet avian sperm are unusually vulnerable to cooling and freezing injury. As a result, extender chemistry and processing steps, especially low-temperature equilibration, are pivotal for post-thaw performance. We evaluated how extender choice, paired with [...] Read more.
Commercial turkey breeding relies almost entirely on artificial insemination, yet avian sperm are unusually vulnerable to cooling and freezing injury. As a result, extender chemistry and processing steps, especially low-temperature equilibration, are pivotal for post-thaw performance. We evaluated how extender choice, paired with equilibration time, shapes the post-thaw quality of turkey semen. Ejaculates were diluted in Beltsville, Sperm Motility Medium (SMM), Botucrio, or Kobidil+, then equilibrated for 20 or 40 min before freezing; samples were cryostored for one month and assessed immediately after thawing. The outcomes included motility/kinematics, membrane integrity, mitochondrial activity and membrane potential, apoptosis/necrosis, reactive oxygen species (ROS), DNA fragmentation, and bacteriological load. Overall, 20 min equilibration improved post-thaw motility and membrane integrity, and reduced DNA fragmentation and ROS. Among extenders, Beltsville delivered the best overall sperm quality. Considering the extender × time interaction, Beltsville, Botucrio, and Kobidil+ performed best at 20 min, whereas SMM performed best at 40 min. Thus, Beltsville and SMM provide strong, time-specific options for turkey semen cryopreservation—Beltsville at 20 min and SMM at 40 min. Full article
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