222 



' 3d. When any animal is suspected do not let it use a 

 ■drinking trough or bucket in common with other animals. 

 4th. Avoid old milch cows and unthrifty ones or keep 

 them secluded from the rest of the herd. 



5tli. The following conformation usually indicates a 

 weakness of constitution and a susceptibility to tubercu- 

 losis: Head narrow between the horns, sunken eyes, thin 

 and narrow ewe neck, chest small and lacking in both depth 

 and breadth, hollow Hanks and tendency to pot belly, a gen-^ 

 eral lack of muscle so that the limbs seem loosely attached 

 to the body, in breeds that show a variety of colors, animals 

 of the lighter shades of brown and yellow. If, however, 

 such animals are of high value for the dairy and can be 

 kept free from infection, they need not be rejected. The 

 finest conformations of short horns, Devons, Holsteins, 

 black or red polled furnish no protection in the presence of 

 the germ. 



6th. Don't purchase from a herd in which tuberculosis 

 has appeared, or in which cattle have died or been killed 

 within a year or two. Eesort first to tuberculin. 



7th. Don't take a cow with a husky or rattling cough ; 

 wheezing, hurried breathing; discharge from the nose; 

 foetid breath; hard bunches under the skin; diseased udder; 

 swollen bones or joints ; unthrifty or a tendency to scour or 

 bloat. 



8th. Don't purchase from city suburban or swill stables. 

 9th. Don't add newly purchased cattle to your herd un- 

 til you have tested them with tuberculin, especially if they 

 are the product of in breeding. 



10th. Don't admit strange cattle to house, field or yard 

 with your own ; keep them apart until tested with tuber- 

 culin. 



11th. In case of disease or unthriftiness in your herd 

 put the animal apart and have it examined by a skillful vete- 

 rinarian. 



12th. In case one animal in the herd shows tuberculosis, 

 test the whole herd with tuberculin. 



13th. Test in the same manner all animals on the farm 



