Amoco Corporation

James G Yarger

Indrani Mukharji

Friedhelm L Brinkhaus

Rodney L Ausich

Huei-Che B Yen

John H Proffitt

Leonard E Stark

Samuel Perry

A process for ameliorating the effects of tibial dyschondroplasia while maintaining weight gain in poultry is disclosed as are a supplemented poultry feed and a feed supplement concentrate. The process contemplates feeding the bird with a poultry feed that contains 35 to 350 micrograms of 25-hydroxycholecalciferol per kilogram of feed. The supplement feed is used in the above process, whereas a feed supplement concentrate comprises a comestible diluent containing about 0.05 to about 100 mg of 25-hydroxycholecalciferol per gram of concentrate.

Use of 25-hydroxycholecalciferol in a dietary supplement process for

DNA segments encoding the Erwinia herbicola enzymes geranylgeranyl pyrophosphate (GGPP) synthase, phytoene synthase, phytoene dehydrogenase-4H, lycopene cyclase, beta-carotene hydroxylase, and zeaxanthin glycosylase, DNA variants and analogs thereof encoding an enzyme exhibiting substantially the same biological activity, vectors containing those DNA segments, host cells containing the vectors and methods for producing those enzymes, zeaxanthin and zeaxanthin diglucoside by recombinant DNA technology in transformed host organisms are disclosed.

Biosynthesis of zeaxanthin and glycosylated zeaxanthin in genetically

DNA segments encoding the Erwinia herbicola enzymes geranylgeranyl pyrophosphate (GGPP) synthase, phytoene synthase, phytoene dehydrogenase-4H and lycopene cyclase, vectors containing those DNA segments, host cells containing the vectors and methods for producing those enzymes and beta-carotene by recombinant DNA technology in transformed host organisms are disclosed.

Beta-carotene biosynthesis in genetically engineered hosts

DNA segments encoding the Erwinia herbicola enzymes geranylgeranyl pyrophosphate (GGPP) synthase and phytoene synthase, vectors containing those DNA segments, host cells containing the vectors and methods for producing those enzymes and phytoene by recombinant DNA technology in transformed host organisms are disclosed.

Phytoene biosynthesis in genetically engineered hosts

DNA segments encoding the Erwinia enzymes geranylgeranyl pyrophosphate (GGPP) synthase, phytoene synthase and phytoene dehydrogenase-4H, vectors containing those DNA segments, host cells containing the vectors and methods for producing those enzymes and lycopene by recombinant DNA technology in transformed host organisms are disclosed.

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St. Charles, IL, United States of America

James G Yarger