194 
American Agriculturist, March 8,1928 
Experiments are revealing 
startling facts about feeding 
yeast to poultry 
An Announcement from the Fleischmann Company to the 
poultry raisers of America 
In the past few years, Fleischmann’s 
Yeast has restored new health and 
vigor to thousands of human beings. 
It has helped to renew lagging 
energy and stimulate appetite—to 
build vitality and “tone up” the whole 
system. Every day brings added evi¬ 
dence of its effectiveness for man. 
And now, after many experiments, 
the Fleischmann Company has devel¬ 
oped a dry yeast for stock and 
poultry. 
For some time, the Fleischmann 
Company has . been conducting a 
series of tests in the feeding of this 
new Pure Dry Yeast to poultry, in 
many parts of the country. The re¬ 
suits obtained are remarkable — so 
remarkable that we are anxious to 
tell the poultry raisers of America 
at once the details of this unique 
new development in poultry feeding: 
Fertility 23% greater 
—reports one of the largest hatcheries 
in the world. 
Scientists have long known that the 
vital elements contained in yeast have 
a direct influence on the growth and 
activity of the reproductive organs in 
both male and female birds. Surprising 
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