Nineteen-year-old Patrick Stark takes a chaw of tobacco during a muddy cattle roundup at the Bar B ranch near Albia, Iowa. Calves were roped and seperated from the herd for vaccinations, branding and the placement of growth stimulant implants.  Male calves were also castrated.   A morning shower had turned the ground into a slippery quagmire, making the task more difficult.   Owner Catherine Bay runs the operation with a herd of over 2,000 cattle.
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