Selection and management of turkey breeding stock are subjected to studies
V. S. Asmundson, Experiment Station
California Agriculture 1(3):4-4. DOI: 10.3733/ca.v001n03p4a.
V.S. Asmundson is Professor of Poultry Husbandry and Poultry Husbandman in the Experiment Station, Davis.
Not available – first paragraph follows:
One of the simplest ways of increasing egg production of turkey breeder hens has been the use of artificial lights. This is effective provided the day is long enough—about 14 hours—and the light bright enough, about two foot-candles at the place where the birds are exposed to the light.