Method and composition for maintaining animals on a keratin-cont

Details Method and composition for maintaining animals on a keratin-cont Method and composition for maintaining animals on a keratin-cont

1991-03-15

1993-02-16

Penland, R. B.

Food or edible material: processes, compositions, and products

Treatment of live animal

426 56, 426 59, 426623, 426630, 426643, 426646, 426647, 426657, 426807, 426805, A23K 104, A23K 110

Patent

active

051869616

ABSTRACT:
Methods and compositions for maintaining animals on a diet containing keratin as a source of protein are disclosed. The method comprises feeding an animal a carbohydrate source and a first protein source, the first protein source comprising keratin and a keratinase capable of hydrolyzing the keratin. A composition of the present invention is an animal feed comprising a carbohydrate source and a first protein source, the first protein source comprising keratin and a keratinase capable of hydrolyzing the keratin. A preferred keratin for practicing the present invention is ground feather, and a preferred keratinase for practicing the invention is obtained from Bacillus licheniformis strain PWD-1.

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patent: 3578461 (1971-05-01), Weeks et al.
patent: 4808417 (1989-02-01), Masuda
patent: 4908220 (1990-03-01), Shih et al.
patent: 4944944 (1990-07-01), Tang et al.
patent: 4959311 (1990-09-01), Shih et al.
Veterinary Pharmacology and Therapeutics, Nicholas H. Booth and Leslie E. McDonald, p. 596, Section 10, Drugs Acting On The Digestive System.
J. Adler-Nissen, "Enzymic Hydrolysis of Food Proteins," Elsevier Applied Science Publishes Ltd., (Galliard Printers Ltd., Great Britain), pp. 99-100 (1986).

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