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Primary Examiner: Penland, R. B.
Assistant Examiner:
Attorney: Drehkoff; W. Dennis

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Title: Method of feeding laying hens

Abstract: This invention relates primarily to innovations in methods of feeding laying hens wherein the hens' nutrient reserves and specialized nutritious feeds are utilized so that a uniform rate of egg production can be maintained at substantial economic savings. More specifically, it concerns a feeding program wherein laying hens are fed a ration with vitamins, minerals and a specific low total crude protein for an effective amount of time to reduce the hens' nutrient reserves without reducing their rate of lay and total feed efficiency. The hens are then fed a ration adequate in total crude protein, vitamins and minerals for the remaining feeding time to replenish the nutrient reserves in an efficient manner while maintaining optimum egg production and other performance characteristics.

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Inventors: Snetsinger, David C. (St. Louis, MO, US)
Zimmerman, Ray A. (St. Louis, MO, US)

Application Number: 735711
Filing Date: 1976-10-26
Publication_date: 1978-04-25
Assignee: Ralston Purina Company (St. Louis, MO)
Primary Class(es): 426/2 426/657, 426/807
Other Classes:
US Patent Ref:
Other Refs: Other References: patel et al., "Effect of Restricted Feeding Time on Feed Consumption Egg Production and Body Weight Gain of Leghorn Pullets," Poultry Science 49 pp. 1425 (1970).
Gerry et al., "Performance of Red X Rock Sex Linked Hens Subjected to Restricted Feeding During the Laying Period," Poultry Science, vol. 55, pp. 1941-1946 (1976).
Emerson, "Simple Cost-Effective Layer Feeding Program Developed," Feedstuffs pp. 13-14, Oct. 22, 1975.
Gross, "Study Shows Effects of Lowering Layer Protein," Feedstuffs, p. 16, Nov. 29, 1976.