7G8 
EXTRACTS FROM EXCHANGES. 
off with the canine emasculator or whatever method you may 
select; after both ovaries are removed stitch lip the opening and 
dust some dry antiseptic on it; put the animal on a soft diet for 
a fortnight or so and remove the stitches about the fourth day. 
Spaying of the Pig.—This operation is generally performed 
by the farmer, and, therefore, doesn’t interest the veterinarian 
to a very great extent; nevertheless, it should not be omitted 
here. The operation can be performed the same as in the bitch 
or may be performed through the flank. The animal is laid on 
an inclined plane with the head downward, and if the operation 
is performed in the flank either flank will do, whichever is the 
most convenient.—(/. K. Jameson.) 
EXTRACTS FROM EXCHANGES. 
GERMAN REVIEW. 
By Adolph Eichhorn, D.V.S., Bureau of Animal Industry, Milwaukee, Wis. 
Iodide of Potassium as a Prophylactic Agent Against 
Parturient Paresis [A. Kragerud~\. — The treatment of par¬ 
turient paresis with iodide of potassium is already known all 
over the civilized world. At the same time it proves to be far 
superior to any other treatment. The author also observed 
the successful antitoxic effects of the iodide of potassium in 
milk fever, both by intratnammeal and by the intravenous in¬ 
jection. It occurred to him that administered by os as a pro¬ 
phylactic against this disease it might be advantageous. To 
prove this he selected cows which were predisposed to the dis¬ 
ease, standing also in stables in which the disease was very 
frequent. A few hours before parturition a cow of middle 
weight received per os two drachms of iodide of potassium, dis¬ 
solved in a pint of water, which dose in 12 to 20 hours was re¬ 
peated. Up to this time the author had applied this prophy¬ 
lactic treatment in 100 cases with the best results. A few of 
the cows showed the first manifestations of the disease after the 
first dose was given (dullness, capricious appetite, skin change¬ 
able from warm to cold, etc.), but after a few hours these symp¬ 
toms disappeared and the cows remained healthy. In a few 
stables in which the disease was prevalent for a great number 
of years all the cows received the iodide of potassium as a pro¬ 
phylactic treatment, and the disease did not reappear after this. 
There is much rejoicing amongst the farmers at these results 
