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ALGAE FEEDING IN MICE:PRELIMINARY OBSERVATIONS
ARCTIC AEROMEDICAL LAB FORT WAINWRIGHT ALASKA
A study was designed to observe the effects on mice when fed Chlorella algae, cultivated in connection with a solar-illuminated closed algae system experiment, as the sole diet. Three males and two females under various breeding conditions and at various ages were maintained solely on algae from 10 to 21 weeks, mated, and observed. Detailed histologic studies were made on one male and its control, and comparative observations were conducted on the other male mice. The m ales failed to sire litters. Although, histologically, no significant changes were observed, using hematoxylin and cosin tissue preparations, and spermatogenesis appeared to be proceeding normally, the seminal vesicles were only one-quarter as large as, and lacked the texture of, those of controls of the same age. One experiment male, 7 12 months old, fed algae for five months, failed to sire although all four of its mates, never on algae, produced young when subsequently bred to nonexperiment males. Author