Nadine Houck, assistant manager at Penn State's Dairy Barns, prepares a Draxxin injection for a calf. The medication is an essential treatment for dairy calves with respriratory disorders. Calves under 20 months of age are susceptible to pneumonia and other respiratory diseases. One of the most important daily tasks for the staff at the dairy barns is to monitor and maintain the health of both the adult cows and their offspring.
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