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Protein tied to lifetime fertility

Aprotein in mouse ovaries regulates formation of the ovarian-follicle reserve, which comprises a mammal’s lifetime supply of egg cells and surrounding support cells. That's according to new study conducted by a U.S.-Canadian team. The discovery provides a foundation for further research regarding premature ovarian insufficiency and menopause in women and reproductive problems in dairy cows.

Discovery of the protein, called Steroidogenic factor 1 – SF-1, and identifying its role has implications for human and cattle reproductive health and success, said Camilla Hughes, who led the research as a postdoctoral scholar at the University of Montreal. She’s now an assistant professor of reproductive biology in the Pennsylvania State University-College of Agricultural Sciences.

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Episode 124: Weed and Brush Control in Pastures

Video: Episode 124: Weed and Brush Control in Pastures

Healthy and productive pastures are essential for sustainable beef cattle operations, but invasive weeds and brush can reduce forage quality, impact livestock health and alter native ecosystems. Managing these challenges requires long-term strategic approaches that may include multiple control methods to reduce weed pressure while supporting pasture productivity and environmental stewardship. In this episode, we discuss how proper plant identification and strategic control are key to protecting both cattle performance and pasture health.