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Dairy Husbandry Department, Virginia Agricultural Experiment Station, Blacksburg, Virginia
ABSTRACT
Four metabolism stalls were constructed with storm gratings placed in the rear of each stall and with funnels underneath which direct excreta into garbage cans. A fan ventilator with a thermostatic control regulates the humidity quite satisfactorily. A hot water boiler and unit heater provided with a water circulator controlled by a reverse acting aquastat provide satisfactory heat.
These stalls have been used for two years for balance trials, successfully eliminating the need for constant attendants.
When used for digestion trials in which the feces and urine are collected separately, these stalls helped to eliminate errors by making it possible to recover quantitatively either feces or urine which the attendant failed to catch.
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