News tagged with semen

Improving survival of pig sperm

Although U.S. cattle genetics are exported all over the world in the form of frozen semen, the same is not true for pigs because boar semen does not freeze well. In an attempt to improve semen storage and pig reproduction, ...

Apr 24, 2013
not rated yet 0

Exposure to BPA associated with reduced semen quality

Increasing urine BPA (Bisphenol-A) level was significantly associated with decreased sperm concentration, decreased total sperm count, decreased sperm vitality and decreased sperm motility, according to a Kaiser Permanente ...

Oct 28, 2010
not rated yet 0

Sperm may play leading role in spreading HIV

Sperm, and not just the fluid it bathes in, can transmit HIV to macrophages, T cells, and dendritic cells (DCs), report a team led by Ana Ceballos at the University of Buenos Aires in Argentina. By infecting ...

Oct 26, 2009
5 / 5 (1) 0

Research Yields Sheep Breeding Improvements

(PhysOrg.com) -- Artificial insemination (AI) techniques that work well with cattle and swine can be difficult or costly to perform in sheep, but help’s on the way, thanks to Agricultural Research Service ...

Oct 20, 2009
4 / 5 (1) 0