70. Employment Under Contract. When a vet- 

 erinarian has been called to render professional 

 service, and he has responded to the call, under 

 ordinary circumstances it is legally understood 

 that the parties have entered into an implied con- 

 tract. On his part the veterinarian agrees to at- 

 tend the case until the case is ended by death or 

 recovery, or by the termination of the relation- 

 ship through the proper notice from either party 

 to the other; and, to give due and diligent pro- 

 fessional ser^dce. On the part of the employer 

 there is understood to be an agreement to pay a 

 reasonable fee for the services rendered. Any 

 variation from these terms should be clearly un- 

 derstood by agreement between the parties before 

 service is rendered, and if other responsibilities 



91 



