Chemistry: molecular biology and microbiology – Apparatus – Bioreactor
Patent
1993-12-02
1994-11-29
Housel, James C.
Chemistry: molecular biology and microbiology
Apparatus
Bioreactor
435289, 435316, 435260, 222 77, 222 58, 366141, 366144, 366145, 366147, 366149, C12M 138
Patent
active
053690320
ABSTRACT:
An apparatus for preparing at a livestock feedlot a concentrated suspension of anaerobic bacteria at a known, accurate concentration and for storing the prepared suspension for prolonged periods at the feedlot in a ready-to-use condition without significant loss of viability, allowing feedlot operators to conveniently administer such bacterial supplements to large numbers of livestock as a probiotic on a regular basis in accurate dosages. The apparatus comprises an insulated liquid-holding vessel cooled by refrigeration appliance, and mixing and recirculation appliances to ensure temperature and concentration homogeneity of the bacterial suspension. The vessel and contents are gravimetrically monitored to ensure accuracy of bacterial concentration. In each of several embodiments, at time of intended use, a preselected mass or volume of bacterial liquid suspension is dispensed on demand from the vessel into a separate mixing tank for further accurate dilution and for addition of other microingredients to the suspension, as required, immediately before adding to and mixing with a known mass or volume of animal feed. The apparatus can be used with or without a separate microingredient weighing or volumetric metering system.
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Housel James C.
Le Long V.
Micro Chemical, Inc.
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