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 …

Sperm motility, the percentage of sperm with forward progressions, is one of the semen
quality traits that is highly related with male fertility potential in farm animals. The proportion …

Sexual differentiation and gonad development are important biological processes for bivalve
species. The clam Cyclina sinensis is an important cultured marine bivalve widely …

Sperm mobility (SM) is an objective index for measuring sperm motility; however, the
mechanisms underlying its regulation in geese remain unclear. The present study sought to …

Egg production performance is an important economic trait in the poultry industry. In
previous studies, attention has often been paid to the growth and development of the …

This study provides a comparative assessment of fresh semen quality and sensitivity to
cryopreservation in several Italian chicken breeds. The research involved 145 roosters from …

The objective of this study was to evaluate the effects of cage size on the natural behavior,
serum biochemistry, production performance and hypothalamic transcriptome profiles of …

Sperm-associated antigen 6 (SPAG6) is the mammalian orthologue of Chlamydomonas
PF16, an axonemal central pair protein involved in flagellar motility. In mice, two Spag6 …

In broiler breeder males, the generation of semen decreases with age, and the body
produces more free radicals when aging symptoms start to appear. Certain citrus wastes are …

The cryopreservation of sperm into pellets is not the preferred way to package avian semen
but is quick and easy to do and does not require sophisticated technology. The aim of this …