Progress of Mitochondria in Regulation of Chicken Sperm Motility
Breeder roosters are a crucial part in the livestock and poultry breeding system,and the sperm motility of roosters is one of the most important indicator for evaluating the reproductive performance of breeder roosters.The mitochondria,being one of the organelles crucial for maintaining sperm motility in spermatozoa,play a pivotal role in generating ATP through oxidative phosphorylation,and ATP is indispensable for sperm motility and fertilization.When mitochondria undergo structural damage,dysfunction,genetic mutations,or mtDNA damage,it could lead to a decrease sperm motility.Researching the mechanism by which sperm mitochondria regulate sperm motility in roosters'spermatozoa holds significant theoretical and practical value,as it might enhance semen quality and poultry reproductive performance.This paper provided a comprehensive review of the regulatory mechanisms that govern mitochondrial structure,mitochondrial genes,and mtDNA copy numbers on sperm motility,and aimed to establish a theoretical foundation for enhancing sperm motility and optimizing poultry reproductive performance.
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