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Shock Lighting For Hens
The practice of using additional electric lights to stimulate a hen’s production may sometimes be revised.
Dr. James Bywaters, poultry researcher at VPI Agricultural Experiment Station, said a test in Switzerland was conducted to compare constant lighting in the hen house, as practiced Fn Virginia, with “shock-lighting” done with a 1,500 watt lamp for five secohds.
The test showed shock lighting increased egg production more than constant lighting for four hours with 40 watt lamps. ‘Dr. Bywaters said If further research supports these results, it may he that poultrymen can reduce costs substantially.
The practice of using additional tights in the hen house to increase production started more than 100 years ago in Spain.
Subsequent research has shown that neither the heat nor additional eating periods have any connection with the increased egg production heceived when lights are burned.
However, the increased production has been traced to the stimulation of certain glands by light.
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