Method of improving egg production in poultry hens

Details Method of improving egg production in poultry hens Method of improving egg production in poultry hens

1986-07-28

1988-08-23

Hindenburg, Max

Surgery

Truss

Pad

119 1, A61N 506

Patent

active

047653370

ABSTRACT:
A method of improving egg production in poultry by irradiating poultry with energy levels, the first one of which is within a wavelength band of 600 to 670 nanometers and is delivered at a rate of at least 10.sup.13 quanta/second/cm.sup.2, and, in the case where this first radiation is less than 10.sup.13 quanta/second/cm.sup.2, at least 75% of the total delivered energy is within the first wavelength band. The second radiation energy level is within a wavelength band of 400 to 600 nanometers and is delivered at a rate of at least 10.sup.14 quanta/second/cm.sup.2, and, in the case where this second radiation is less than 10.sup.14 quanta/second/cm.sup.2, at least 80% of the total delivered energy is within the wavelength band of 400-600 nanometers. The invention also includes a control of the time during which the irradiation is delivered.

REFERENCES:
patent: 3825792 (1974-07-01), Rokosz et al.
patent: 4378758 (1983-04-01), Coleman
"Physiological Development of Cockerels as Influenced by Selected Wavelengths of Environmental Light", Foss et al., 1972, Light & Phy. Dev.
"Sexual Maturity & Subsequent Reproductive Performance . . . Light Spectrum", Harrison et al., 1968, Science.

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