Über Einflüsse der Ernährung und der Umwelt auf wachsende Tiere

A History of Ultraviolet Photobiology for Humans, Animals and Microorganisms¶

“…In 1900, Borissow (108) found that dogs and rabbits grown in light weighed more at the end of a month than those grown in dim light. In 1924, however, Degkwitz (109) was unable to show any effect of light on the growth of puppies so long as their diet and exercise were carefully controlled.…”