128 STATE BOARD OF AGRICULTURE. 



Accordingly, it was decided to charge two cents for each cubic centi- 

 meter. Furthermore, in the treatment of animals, there is always a 

 possibility of reverses. In order to shield the college from trouble, a 

 contract was exacted relieving it from all responsibilit3\ The following 

 contract is agreed to by the owner of every herd of swine treated. 



HOG CHOLERA TREATMENT. 



Name 



Address 



Date No. of mixed serum used 



Amount ■. No. of virus used 



AGREEMENT. 



The Bacteriological Laboratory of the Michigan State Agricultural 

 College in no manner guarantees the efficacy of the vaccination of hogs 

 against hog cholera or any other disease by the simultaneous injection of 

 hog cholera virus and serum or serum alone (prepared for the purpose of 

 modifying the action of said virus). The laboratory can assume no re 

 sponsibility whatever for this treatment or vaccination of hogs against 

 hog cholera or any other disease. So far as the bacteriological laboratory 

 is concerned, the merits of the treatment or vaccination, as at present 

 established, must be the sole recommendation for its use. 



Any one wishing his hogs treated or vaccinated with the virus and 

 serum must agree to the above conditions and must promise to pay 



cents per cubic centimeter for the virus and 



cent per cubic centimeter of the serum to the Secretary of the Michi- 

 gan Agricultural College. 



Charles E. Marshall, 



Director of the Bacteriological Laboratory of the Michigan Agricultural 

 College, 



I agree to the above conditions and promise to pay on or before 



19 .... , cent per cubic centimeter for 



virus and Scents per cubic centimeter for serum for treat- 

 ing or vaccinating my herd of hogs, the amount to be stated in writ- 

 ing by the person conducting the treatment or vaccination. I further 

 agree and promise to report the results of the treatment or vaccination 

 to the Director of tlje Bacteriological Laboratory once each Aveek for 

 four weeks. 



Signed 



Place Date 



Signed, 



[Signature of Operator.] 



Amount of virus used in cubic centimeters 



Amount of serum used in cubic centimeters 



In the treatment of the herd of 



Signed 



[Signature of Operator.] 



Note. — The signatures must be placed before treatment and the amounts of serum and 

 vims inserted after treatment is completed. 



