Abstract
THE normal low egg production of laying chickens during the hot summer months is accompanied by, and is possibly the result of, their decreased feed consumption. The normal feed consumption and growth of chicks are also relatively low during hot weather, but Heywang (in press) has reported the results of experiments in which the feed consumption and growth of chicks hatched during hot weather were stimulated through the use of artificial light.Because of our results with chicks, it seemed possible that artificial light might also stimulate the feed consumption of laying chickens during hot weather, and this increased feed consumption, in turn, might result in increased egg production. Accordingly, experiments to obtain information on this subject were conducted at the Southwest Poultry Experiment Station, Glendale, Arizona, and the results are given in this paper along with data on the weight of the chickens.PROCEDUREData were obtained in a .
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