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A Device for Monitoring Silage Effluent Produced in Laboratory Silos

Food Science and Agricultural Chemistry Department, McGill University, Macdonald College, Ste. Anne de Bellevue, Quebec H9X 1C0, Canada

ABSTRACT

A relatively simple device was constructed and employed for monitoring production of effluent from laboratory silos. In experiments in which laboratory silos were filled (.7 kg) with red clover, barley mixture (25.7% dry matter) or with alfalfa (26.0% dry matter), pressures simulated commercial silos. Significant differences in quantities of silage effluent were obtained when the same forage was subjected to different treatments designed to disrupt plant cell membranes before external pressure was applied. The device potentially is useful for investigating effects of various conditions of ensiling on effluent production during silage fermentation.