826 CYCLOPEDIA OF LIVE STOCK AND COMPLETE STOCK DOCTOR. 



pimples, red at first; enlarge from day to day, till they attain a diam- 

 3ter of about half an inch to an inch, and become yellow. A distinct vesi- 

 sle forms, breaks, runs a yellowish lymph, which is the active virus of 

 the disease, dries up, a scab forms over it, and the whole trouble disap- 

 pears as gently as it came. 



The only trouble to be had from the disease, is in milch cows, from the 

 teats getting sore. These are sometimes absolutely covered with the 

 vesicles, and even confluent, rendering milking a very painful operation. 



It runs a definite course, and heals up and disappears of itself, in from 

 ten to twenty days. No treatment is necessary, except to avoid taking 

 cold, and give a little extra 



care in the way of nursing. __^_^^^^^^^^^^^^^^m^b^^^^^^ 

 If the teats are so sore as ^^^^ ^^ '^ ■ ■■ ■""' ^~/H^ 



to be very painful in milk- ^ ^ ^^ 



•^ 1 THE TEAT SYPHON. 



ing, the teat S}qihon may be 



used ; if it is cold weather, warm the syphon ; oil it with olive oil, and 

 pass it up the teat very carefully, and draw off the milk. Anoint the 

 sores on the teats and udder nicely, twice a day, with carbolic salve or other 

 healing and softening ointment. If the udder swells very much, fre- 

 quent bathing with hot water and supporting with a bandage, as recom- 

 mended for mammitis, will be a benefit. 



VII. Tuberculosis. 

 This disease is distinctly infectious, being due to the introduction into 

 the system of a microbe, the bacillus tuberculosis, discovered by Koch in 

 1882. It affects all warm blooded animals, including people. Cattle and 

 people suffer the most from it, and horses the least, in fact the latter are 

 almost exempt, but it can be produced in them by inoculation. The germ 

 is a rod shaped vegetable organism, im of an inch in length. When intro- 

 duced into any tissue of the body it multiplies, causing slight local inflam- 

 mation that is inclined to degenerate into caseous (cheesy) matter, that 

 becomes gritty by the deposition of calcareous (limey) matter, giving it the 

 appearance of being mixed with sand. The germs usually divide into 

 colonies, making separate foci of the disease. When the number of germs 

 is small and the deposition of the lime rapid, a fibrous capsule often 

 forms around the little center of disease, fencing it in and rendering it 

 harmless, and the animal is none the worse for the attack; but on the other 

 hand, if the number of germs is great and the deposition of lime slow or 

 wanting, which it is in some cases, the tissue affected is destroyed, breaks 

 down and liquifies more or less, leading on to a debilitated, antemic condi- 

 tion of the whole system, resulting in extensive blood poisoning (cachexia) 

 and death. The latter course is the usual one for it to take in man or 



