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Another Canadian mad cow raises ire

So far, 14 mad cows have been found since 2003 in cattle born in Canada. Despite the danger, the U.S. Department of Agriculture has allowed Canadian cows to come into the United States if the cows are born after March 1, 1999.

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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.