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Frost and nitrates

With fall comes frost, and with that frost comes the issue of nitrate accumulation. Barry Yaremcio, beef and forage specialist at the Ag-Info Centre, says there is a difference between light frosts and heavy or killing frosts.

Interview with Barry Yaremcio (3:23 minutes) (1.55 Mb)

 
 
Source : Alberta Ag and Forestry

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Season 6, Episode 6: The Science Behind Sudden Sow Deaths

Video: Season 6, Episode 6: The Science Behind Sudden Sow Deaths

Recent necropsies have revealed new insights into unexplained sow deaths, helping producers better understand the causes behind these losses. A recent study led by Laura Solis, a graduate student at Iowa State University, examined why these deaths occur, many around farrowing. In some cases, animals were sent to the lab for further analysis, as discussed by Dr. Marcelo Almeida, assistant professor in the College of Veterinary Medicine at Iowa State University. The episode also features Dr. Chris Rademacher, clinical professor and swine extension veterinarian as well as associate director of the Iowa Pork Industry Center, who asks questions of what seasonal factors there were and management strategies that can influence herd health outcomes.