Fertilization by more than one sperm causes polyploidy, a condition that is generally lethal to
the embryo in the majority of animal species. To prevent this occurrence, eggs have …

Purpose Empty follicle syndrome (EFS) refers to the inability to obtain mature oocytes after
appropriate ovarian stimulation during the process of in vitro fertilization (IVF). However, the …

This study investigated the relationship between acrosome reactions and fatty acid
composition with respect to fertility in boar sperm. The acrosome reaction was induced more …

The perpetuation and preservation of distinct species rely on mechanisms that ensure that
only interactions between gametes of the same species can give rise to viable and fertile …

Assisted reproduction techniques (ARTs) are of great interest in both research and animal
production. The porcine species is especially important due to its anatomical, physiological …

Oocyte and follicular development depend on bi-directional communication between the
oocyte and neighbouring somatic granulosa cells. The specific pathways that mediate this …

After the end of the last ice age, ancestrally marine threespine stickleback fish (Gasterosteus
aculeatus) have undergone an adaptive radiation into freshwater environments throughout …

A ovinocultura é uma atividade com grande concentração regional, onde se destacam as
regiões Nordeste e Sul, na produção de lã̃, leite, pele e carne. No ano de 2016, conforme o …