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US 3,940,491 AGranted
Bacterial source of vitamin K for animal feeds
AssigneeAbbott Laboratories
InventorsRichard E. Crutcher, Victor W. Winkler
Life of this patent
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Abstract
The vitamin K is produced by bacteria which are a mixture of normal gastrointestinal flora which are fermented, spray dried and added to a feed supplement. The use is mainly for poultry but could be used also on other animals.
Claims5
A method for maintaining a proper level of vitamin K in animals comprising the steps of mixing a bacterial source of said vitamin K with an animal's feed and feeding said mixture to an animal.
Dependencies are inferred from the claim text.