788 EXPERIMENT STATION RECOED. 



3 of the animals received qiiantities of hog-cholera serum varying 

 from 0.3 to 1 cc. The 3 animals treated with hog-cholera serum died 

 in from 6 to 7 days. It was apparent from the experiment that this 

 serum was too weak to be of value in the treatment of hog cholera. 



Brief notes are added on bacteriology and post-mortem examina- 

 tions of hogs in outbreaks of hog cholera. 



Pleuro-pneumonia in dairy herds, M. A, O'Callaghan (Agr. Gas. 

 JVcw South Wales, 11 {19U0), Xo. S, jjjj. ^^7-6>.ii).— Pleuropneumonia 

 is said to break out occasionalh' on a small scale among the dairj' 

 herds and other cattle of Australia. The author recommends that in 

 all eases where any outbreak of the disease is suspected, the owner of 

 the animals should take the temperatures of his whole herd twice a 

 day. Any animals which show a temperature above 103° should be 

 isolated at once from the herd in order to prevent the spread of the 

 disease. 



A method of preventive inoculation which is in common practice 

 among stock raisers is to saturate cotton threads with the serous fluid 

 taken from the pleuro cavity of diseased animals and to draw these 

 threads under the skin near the end of the taiL The virus upon the 

 threads has the effect of producing a mild form of the disease, which 

 confers immunity against the fatal form. 



The stomach -worin (Strongylus contortus) in lambs, A. G. 

 Hopkins {./oar. Oomjx JSM. and Yd. Arcli., 21 {1000), Xo. J, jyj). 277, 

 278). — This parasitic worm was found to be the cause of rapid 

 emaciation, loss of weight, dullness, coughing, and other s3'mptoms 

 of disease in lambs. In the treatment of this disease tonics were 

 administered with practicall}^ no results. The lambs were then divided 

 into 2 lots. Lot 1 was given benzine in doses of 2 drams in 2 oz. of 

 milk on 3 successive mornings, while lot 2 was given creolin in doses 

 of 1 dram in 2 oz. of milk for the same length of time. This treat- 

 ment was applied during fasting of the lambs. Previous to the treat- 

 ment the lambs were losing weight. When weighed lO days after the 

 experiment, gains of from 2 to 5 lbs. were noted, which gains were 

 also recorded at subsequent weighings which took place every 2 weeks. 

 The medicines were administered as a drench. 



Gruber's reaction in hog cholera, R. R. Dinwiddie {Jour. Comj). 

 Med. and Yd. Arch., 21 {1000), A\>. 0,pp. J;v^<§-JJ^).— The observations 

 recorded in this paper were confined chiefly to experimental animals, 

 including rab])its. pigs, and guinea pigs. Nearly all tests were made 

 with dried blood. Dilutions were made with sterile normal salt solu- 

 tion in the proportion of 1:10, 1:20, and 1:-10. When onl3'^ one slide 

 was prepared for diagnostic purposes a dilution of 1:20 was found 

 most reliable Avithin the limits of half an hour. The blood of 26 

 rabbits with a dilution of 1:10 was tested with the result that no 

 reaction was obtained in 22 cases. In the other 4 rab])its apparent 



