234 THE FARMER S VETERINARIAN 



At the same time use the following medicine to 

 improve the kidney action: One-fourth pound of 

 saltpeter or nitrate of potash and one-fourth of a 

 pound of gentian root. These are to be mixed well 

 together and a teaspoonful given 'three or four 

 times daily. Soft foods are desirable. A small 

 amount of water should be given frequently. Small 

 quantities at a time are preferable to large quantities 

 at infrequent intervals. 



PLEURO-PNEUMONIA. This is a very con- 

 tagious disease of cattle introduced in this country 

 from Europe. At one time it was a very serious 

 menace to the cattle industry. Thanks to the very 

 aggressive work of the United States Department 

 of Agriculture, the disease has, so far as is known, * 

 been eradicated from this country. No cases of the 

 disease have been reported during the past dozen 

 years. 



PNEUMONIA. See Inflammation of the Lungs. 



POLL EVIL. A swelling or soreness at the top 

 of the head. Usually it is caused by an injury, like 

 bumping the head in a doorway, or from a bruise 

 made by the halter or bridle. It is first noticed by 

 a swelling or soreness, which frequently causes 

 trouble by forming an abscess ; sometimes this 

 works down and even affects the bone. Treatment 

 is very simple if handled in time. Remove the 

 cause and then bathe with warm water and vinegar 

 twice a day and apply a liniment of some kind. If 

 the abscess is formed, it should be opened with a 

 knife at the lowest point to remove the matter. 

 From now on for a few days bathe the opening with 

 warm water in which has been added some carbolic 

 acid or creolin. If the case causes much trouble, you 

 had better consult a veterinarian, as bad cases fre- 



