196 DISEASES OF THE HOG. 
ether in a little water; repeat it every four hours 
until it takes effect. If there are no symptoms of 
inflammation, nitrate of potassium, in ten to 
twenty grains at a dose, put into the drinking 
water will be found useful. If the pig is stiff and 
there is not much fever give one dram each of the 
fluid extract of buchu and spirits of nitrous ether 
at a dose in a little water three times a day. The 
pig should have a good supply of cold linseed tea to 
drink, also milk, with a little lime water in it. 
ATROPHY OF THE KIDNEYS. 
Atrophy of the kidneys, one or both, has been 
found in the pig. Usually when one kidney is 
atrophied the other becomes hypertrophied and it 
will perform the function of both. Gamgee men- 
tions a case in which one kidney was absent and 
its fibrous capsule alone remaining distended by a 
yellow fluid of a strong urinous odor, whereas its 
fellow was very much enlarged and the animal was 
in good health. 
HYPERTROPHY OF THE KIDNEYS. 
This is a very common thing in pigs which have 
been overfed from an early period. I have exam- 
ined pigs which have died from other diseases and 
found one or both kidneys very much enlarged. 
I have also found such the case in hogs that were 
killed, which appeared in perfect health and took 
on flesh very rapidly. Neither atrophy nor hyper- 
trophy can be diagnosed; it is, therefore, when the 
pig has died from some other disease or has been 
