The fourth and final phase is the Cattle Trial which tests the ability of a horse and rider to work cattle individually and with teammates. This is a team event: 3 to 4 riders work together to cut pre-selected cows from a herd one at a time in accordance with a pre-established order, and herd them into a holding pen separate from the rest of the herd. The objective is to demonstrate the abilities of cutting/ herding/containing cattle efficiently and accurately. A show may also offer a Cattle trial for individuals that runs in the same manner, awarding individual placings.

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This is not offered at all competitions at this point in time.

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Rules for the Cattle Trial can be found in the USAWE rule book.