Kansas State Veterinary Diagnostic Laboratory

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February 2021

DID YOU KNOW?

Soil selenium concentration impacts forage selenium levels. According to the 2019 U.S. Geological Survey, multiple North/Northwest Kansas counties contain high levels of soil selenium. (Dark blue areas below) KSVDL has been involved in several cases of selenium toxicity/excess in beef herds in these areas of Kansas over the last year. Selenium status of beef and dairy herds can be assessed by either serum or hepatic selenium testing at KSVDL.

selenium

DID YOU KNOW?

The amount of blood contained in:

  • Elephant: 520 pints/65 gallons
  • Holstein cow: 82.4 pints/ 10.3 gallons
  • Labrador: 5 pints/0.63 gallons
  • Cat: 0.5 pints/0.063 gallons
  • Mouse: .003 pints/.000375 gallons
  • Human: 11 pints/1.4 gallons

Source: Animal Blood Resources International

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