Competition to achieve paternity has coerced the development of a multitude of male
reproductive strategies. In one of the most well-studied examples, the spermatozoa of all …

Terminally differentiated avian sperm consist of a head which male genetic material locates
and flagellum that provides the motive force to propel them towards the fertilization site. The …

Fertility in birds is dependent on their ability to store adequate populations of viable sperm
for extended durations in sperm storage tubules (SSTs). The exact mechanisms by which …

Seminal fluid proteins (SFPs) are emerging as fundamental contributors to sexual selection
given their role in post-mating reproductive events, particularly in polyandrous species …

Age-dependent reduction in reproductive success can arise due to multiple factors including
a deterioration of reproductive physiology. Senescing males have been shown to produce …

Subjective and objective semen assessments were performed on 18 male Mohor gazelles
(Gazella dama mhorr). Sperm motility assessments combined with sperm plasma membrane …

睾丸内的精子虽已成型, 但仍需要在附睾中经过一系列修饰, 使形态结构和功能进一步变化,
才能获得运动和受精能力, 这个过程即精子成熟. 与哺乳动物相比, 家禽附睾发生一定退化 …

Cryopreservation of testicular tissue can be used for ex situ conservation of male germplasm
of avian species. The possibility of using vitrification and transplantation of testicular tissue …

The role of the avian epididymis in post-testicular development and capacitation was
examined to assess whether avian spermatozoa undergo any processes similar to those …

Simple Summary The rhea (Rhea americana) is nearly threatened in nature, while playing
important ecological and economic roles. Therefore, the study of its reproductive biology is …