166 PROFITABLE DAIRYING 



Diseased animals should be removed from the 

 rest of the herd and disposed of according to 

 the law in force in the state. 



Factors influencing the accuracy of the test. 

 Since there are so many conditions which may 

 affect the temperature of an animal during the 

 progress of the test, it should never be under- 

 taken except by an experienced tester or under 

 supervision of a competent veterinarian if re- 

 liable results are to be expected. 



Some of the factors that may cause a change 

 in temperature are as follows: 



1. Drinking a large amount of cold water 

 will cause a fall in temperature. 



2. Turning out in cold, raw weather will cause 

 fall in temperature. 



3. Confinement in a close, hot stable to which 

 the animals are unaccustomed will cause a rise 

 in temperature. 



4. Nervous animals are likely to show a rise 

 in temperature, especially if annoyed. 



5. Annoyance by strangers or dogs may cause 

 a rise in temperature. 



6. Any slight sickness will cause a change 

 in temperature. 



How to prevent the spread of tuberculosis. The 



use of hand separators will prevent the intro- 

 duction of the disease from factory skim-milk, 



