Abstract

ABSTRACT IN 1973 a primary anaerobic lagoon and effluent holding pond system was constructed (Fig. 1) to receive and treat the lot runoff and waste from the experimental dairy on the West Tennessee Experiment Station at Jackson. The dairy milks 110 cows and is equipped with an alley flush system utilizing recycled water from the holding pond, a reservior receiving effluent from the primary lagoon. The cows are confined to concrete alleys approximately 70 per-cent of the time. The objectives of this study were to eval-uate the effects of the lagoon system on nearby ground-water quality and to determine changes in holding pond water quality with time.

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