EXPERIMENT STATION REPORTS. 185 



ment. This trouble persisted perhaps on account of the development 

 of a germ of unusual pathogenicity. 



March 5. — Tested over 90 cattle at Traverse City asylum. Large num- 

 ber reacted. Reacters shipped to Detroit and killed under federal in- 

 spection. 



March 13. — Found hog cholera at Freesoil. Origin not determinable. 



March 14.— Retested herd of 11 cattle at Comstock Park. These cattle 

 Avere all tuberculous as determined at autopsy. Four failed to react 

 typically. 

 ' March 21. — Tested herd at Litchfield. One reacted. Quarantined. 



April 1. — Tested 00 cattle at Ionia Asylum for Criminal Insane. No 

 reacters. 



April 4. — Tested 40 cattle near Grand Rapids on farm of Mr. 

 McN . Three reacted. 



April 10. — Found stomach worms in sheep at Turner. 



April 11. — Investigated outbreak of influenza in horses at Saginaw. 

 Horses had been shipped in from Chicago and a number had died. Dis- 

 ease did not spread seriously. 



April 1.3.— Tested horse of Mr. J G -, Portland, with 



mallein. Typical reaction. This horse had already reacted to agglutina- 

 tion and complement fixation tests. The animal was slaughtered at 

 the bacteriological laboratory and glanders nodules were found in the 

 lungs, liver and spleen. The nasal septum and maxillary sinuses were 

 aff'ected unilaterally. Thirteen samples of blood were drawn from 

 horses and mules. No reactions. 



April IS. —Tested 4 herds near Overisel. In the first herd 2 reactions, 

 in second 1 reaction, in third 1 reaction, and over 60 per cent in last 

 herd. All reacters shipped to Detroit and slaughtered under federal 

 inspection, 



April 25. — Tested herd near Adrian. No reactions. 



April 27. — Tested large herd at Palmyra. Two reactions. 



May 9. — Tested herd at Bay City. About 60 per cent reacted. 



May 17. — Found cattle dying on farm near Grand Blanc. Autopsy 

 on one calf showed intestinal hemorrhage in caecum and colon near 

 ileo-caecal valve. No cause could be found. 



May 2.3.— Rabies at Byron. Three cattle bitten. One only died. 



May 24. — Inspected herd near Lansing reported by Dairy and Food 

 Department. Later, test made by Mr. Himmelberger. Showed no re- 

 actions. 



May 27. — Found .5 farms near Durand on which hog cholera had been 

 raging. Serum was not used. Too late. 



May 28. — At Lowell, found stomach worms (H. contortus) in calves. 

 Five had died. First time seen by us in Michigan in calves. Pasture 

 was low and wet. 



May 31. — Tested herd at state institution at Lapeer. One reaction. 



June 1. — Killed cow tested for Altenheim October 13, 1911. No lesions 

 were found. 



June 4. — Treated by simultaneous method show herd of Berkshires 

 at Bennington. This was an effort to establish a plan for treatment 

 of shoAV stock in order to insure protection throughout the fall fair 

 circuit. 



