H. R. Bird
Bureau of Animal Industry
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Publication
Featured researches published by H. R. Bird.
Experimental Biology and Medicine | 1947
Max Rubin; A. C. Groschke; H. R. Bird
Summary An acid precipitate of a water extract of cow manure which was highly potent as a source of the chick growth factor was shown to possess a high potency of the hatchability factor required by hens fed an all-plant-protein diet. This result is in accord with the view that the same dietary factor influences both growth and hatchability. Hens that obtained the hatchability factor from the above mentioned concentrate or from fish meal, stored sufficient quantities of the factor, so that high hatchability was maintained for at least 12 to 15 weeks even when a deficient diet was fed.
Journal of Biological Chemistry | 1948
Robert J. Lillie; Charles A. Denton; H. R. Bird
Poultry Science | 1947
Max Rubin; H. R. Bird; Nathan Green; R. H. Carter
Poultry Science | 1946
H. R. Bird; Max Rubin; Donald Whitson; S. K. Haynes
Poultry Science | 1946
Max Rubin; H. R. Bird; Irving Rothchild
Poultry Science | 1947
Stanley J. Marsden; H. R. Bird
Poultry Science | 1947
A. C. Groschke; Max Rubin; H. R. Bird
Journal of Nutrition | 1947
H. R. Bird; Max Rubin; A. C. Groschke
Poultry Science | 1946
H. R. Bird; Max Rubin
Poultry Science | 1946
H. R. Bird; Donald Whitson