Organic selenium improves reproduction

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Organic selenium improved second-service pregnancy rates on a commercial dairy in Florida in the summer.

This was particularly evident for cows that had lost their first pregnancy, says Bill Thatcher, emeritus graduate research professor at the University of Florida. In fact, those cows had a second-service pregnancy rate of 22.7 percent compared to 4.2 percent for their counterparts given sodium selenite, an inorganic form of selenium. This suggests that feeding organic selenium “improved the uterine environment following the loss of a previous confirmed pregnancy so that we had a higher probability of getting cows pregnant at the second service,” Thatcher said.

The study results were originally broadcast online in early October. If you missed it, you can watch it for a limited time at: www.sel-plex.com.

You will need high-speed Internet access to view the file.

 



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