Which description best fits a rotary milking parlor?

• A. Cows ride 'merry-go-round' on a rotating platform.
• B. Milker stays in one place and cows come to them.
• C. Cows stand nose-to-tail inside stalls.
• D. Cows enter and leave groups.

Answer: (A)

Rotary milking parlor is defined by a rotating platform that carries cows through milking stalls, much like a merry-go-round. Cows step onto the platform, stay in their stalls as it turns, and are milked as they pass each station, exiting after a full rotation. This continuous-moving setup is the hallmark, creating a steady flow of cows through the milking process.

Other descriptions describe setups where the milker remains stationary while cows approach, or where cows are confined nose-to-tail in fixed stalls, or where groups of cows enter and leave in batches. Those scenarios don’t capture the rotating, continuous-flow nature of a rotary parlor, which is what the image of a rotating platform best conveys.