A method was developed for checking weigh tank sampling accuracy that was better than comparing samples from different locations in tanks. Long, narrow, deep weigh tanks with a steep pitch in the bottom yielded the most accurate samples. Cube-shaped tanks with a hopper at one corner, and round tanks gave excellent results. High fat milk was more difficult to mix than lower fat milk. Sampling location influenced gain or loss in fat.

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Author notes

1Journal Series Paper Number 85 of the Vermont Agricultural Experiment Station.