FIELD: agriculture; poultry farming. SUBSTANCE: method involves cyclic variation of temperature in the incubator from its minimum of 32-36 C to maximum of 39-42 (0.5-2.0 cycle/h). The temperature is controlled by means of changing power to energize the electric heaters and changing aperture of the ventilation shutters. EFFECT: higher rate of hatchability. 1 dwg
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Authors
Dates
1996-12-20—Published
1994-08-03—Filed