. Bulletin of the Department of Agriculture. Agriculture; Agriculture. UNITED STATES DEPARTMENT OF AGRICULTURE BULLETIN No. 767 Contribution from the Bureau of Animal Indastry JOHN R. MOHLEB, Chief Washington, D. C. PROFESSIONAL PAPER April 28,1919 OAK-LEAF POISONING OF DOMESTIC ANIMALS By C. DWIGHT MARSH, Physiologist in Charge of Polsoaous Plant Investigations, A. B. CLAWSON, Physiologist, and HADLEIGH MARSH, Veterinary Inspector, Bureau of Animal Industry CONTENTS Pag« Historical Stunmary and Review of Literature I Poisoning by Oat: Leaves in North America Experimental Work With Scrub
. Bulletin of the Department of Agriculture. Agriculture; Agriculture. UNITED STATES DEPARTMENT OF AGRICULTURE BULLETIN No. 767 Contribution from the Bureau of Animal Indastry JOHN R. MOHLEB, Chief Washington, D. C. PROFESSIONAL PAPER April 28,1919 OAK-LEAF POISONING OF DOMESTIC ANIMALS By C. DWIGHT MARSH, Physiologist in Charge of Polsoaous Plant Investigations, A. B. CLAWSON, Physiologist, and HADLEIGH MARSH, Veterinary Inspector, Bureau of Animal Industry CONTENTS Pag« Historical Stunmary and Review of Literature I Poisoning by Oat: Leaves in North America Experimental Work With Scrub Oak 7 Experimental Worlt With "Shinnery" Oak 21 General Results of the Experimental Work 30 Symptoms . 30 Autopsy Findings 31 Microscopic Pathology 82 Length of Time Necessary to Produce Harm Prom Oak Feeding . 32 Effect of eating oak with other feeds ........ 33 Active Principle or Principles Causing Oak>Brush Poisoning ... 33 Summary of Conclusions From Experimental Work 34 Discussion of Results With Relation to Previous Investigations . . 3S Practical Considerations for Range Grazing . 35 Literature Cited 36. WASHINGTON GOVERNMENT PRINTING OFFICE 1»19. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States. Dept. of Agriculture. [Washington, D. C. ?] : The Dept. : Supt. of Docs. , G. P. O.
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