All school systems except Alamo, Huntingdon, Jackson County, McNairy County, and Polk County submitted salary schedules for the 2014-2015 school year. Those systems that did not submit a salary schedule this year, we posted the most recently received schedule from a previous year.
What Is Mad Cow Disease and Variant Creutzfeldt-Jakob Disease? Mad cow disease is an infectious disease caused by prions that affect the brains of cattle. The actual name of the disease is bovine spongiform encephalopathy (BSE), a name that refers to the changes seen in brain tissue of affected cows.
Mannheimia haemolytica serotype 1 is the bacterium most frequently isolated from the lungs of cattle with BRD. Although less frequently cultured, Pasteurella multocida is also an important cause of bacterial pneumonia. Histophilus somni is being increasingly recognized as an important pathogen in BRD; these bacteria are normal inhabitants of the nasopharynx of cattle (see Histophilosis).