The use of artificial light to increase winter egg production
By: by J.E. Dougherty
Series: Circular / University of California, College of Agriculture, Agricultural Experiment Station -- no. 254; Circular (California Agricultural Experiment Station) -- 254.
Publisher: University of California, College of Agriculture, Agricultural Experiment Station
Published: 1922
Place of publication: Berkeley, Calif
Language: eng
Subjects: Poultry; Production; Lighting; Eggs; Effect of light on; Housing