Japanese Journal of Veterinary Research;Volume 4, Number 1

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CLINICAL STUDIES ON MERCURY POISONING IN CATTLE

SONODA, Mitsuo;NAKAMURA, Ryoichi;TOO, Kimehiko;MATSUHASHI, Akira;ISHIMOTO, Hajime;SASAKI, Ryusuke;ISHIDA, Kenji;TAKAHASHI, Mamoru

Permalink : http://hdl.handle.net/2115/1683
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Abstract

The authors investigated clinically and experimentally a series of cases of mercury poisoning in cattle all over Monbetsu District in Hokkaido, from early February to May 1955. The results thus obtained are summarized as follows : 1. This disease was due to poisoning by ingested linseed meal treated with mercurial fungicide, "Ceresan". 2. Out of a total of 171 cases fed with the linseed meal, 29 cases fell into sickness, 10 cases of which died or were slaughtered. 3. The outstanding symptoms were fever attack, depression and anorexia, decline in milk secretion, bronchial catarrh, pathological changes in skin, lachrymation, salivation and diarrhea, swelling of lymphnodes, anemia and petechiae on the visible mucous membranes, and cardiac disturbance. 4. Marked anemia and neutrophilia with nuclear shift to the left were observed in the severe cases, but in the slight cases, lymphocytosis was found. 5. Biochemically, an increase of glucose in serum was distinct. 6. In mercurialism of cattle, it seems that the onset differs with the individual sensitivity to mercury.

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