Chronic selenosis in horses fed locally produced alfalfa hay.

  title={Chronic selenosis in horses fed locally produced alfalfa hay.},
  author={S T Witte and Lynette Will and Christina R. Olsen and Julie A Kinker and P A Miller-Graber},
  journal={Journal of the American Veterinary Medical Association},
  volume={202 3},
Chronic selenosis (alkali disease) was diagnosed in horses of western Iowa, a region associated with marginal to adequate soil selenium. Two locally produced alfalfa hays (Medicago sativa L) were identified as the primary source. Difficulty in selecting diagnostic specimens to evaluate potential chronic selenosis cases is complicated by the wide range of tissue concentrations reported in previous cases, conflicting correlation of sample selenium concentrations in the literature, and different… CONTINUE READING

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