464 IOWA DEPARTMENT OF AGRICULTURE 



TUBERCULIN TESTING OF HERDS. 



The following is an exact copy of the Co-Operative Rules and 

 Agreement for the accrediting of tuberculosis-free herds by the 

 United States Department of Agriculture Bureau of Animal In- 

 dustry, and the Iowa Commission of Animal Health : 

 Agreement For the Tuberculin Testing of Herds of Pure Bred Cattle and 

 the Uniform Methods and Rules For Tuberculosis-Free Accredited 

 Herds of Pure Bred Cattle. Unanimously Adopted by the United States 

 Live Stock Sanitary Association and by Representatives of Pure-Bred 

 Cattlp Breeders' Association, Approved by the United States Bureau of 

 Animal Industry and the Iowa Commission of Animal Health. 

 Whereas, The Bureau of Animal Industry of the United States Depart- 

 ment of Agriculture and the Iowa Commission of Animal Health, for the 

 purpose of improving the pure-bred dairy and beef breeds of cattle in the 

 United States, encouraging recognition of the importance of maintaining 

 herds of such cattle free from tuberculosis, and promoting the interchange 

 of healthy, pure-bred cattle, proposes, so far as available funds permit, to 

 co-operate with the breeders of pure-bred cattle, by assisting them to 

 eradicate tuberculosis from their herds and to maintain officially tuber- 

 culosis-free accredited herds in the state of lowa.^ 



Now, Therefore, in consideration of leceiving assistance from the Bureau 

 of Animal Industry and the Commission of Animal Health along the lines 



and for the purposes specified, I ^ do hereby agree 



to co-operate with the said Bureau and State Officials upon the following 

 terms i 



1. I will permit my entire herd, or any cattle of my herd, to be ex- 

 amined and to be tuberculin tested or retested at such times as are con- 

 sidered necessary by the Bureau or State Officials. 



2.| I will cause all animals which show physical evidence of tuber- 

 culosis to be promptly slaughtered under the United States meat-inspec- 

 tion regulations, and I will cause the carcasses of said animals to be dis- 

 posed of according to the meat inspection regulations of the Bureau of 

 Animal Industry and State Laws, based upon the lesions found upon post- 

 mortem inspection. 



3. All animals which react to the tuberculin test, but which show no 

 physical evidence of tuberculosis shall be removed from the herd and 

 shall be disposed of as recommended by the Bureau or State Officials. 



4. It is agreed that quarantined reacting bulls may be used for breed- 

 ing, provided they are held upon the staff, their sexual organs properly 

 disinfected and the cow restrained by some suitable method so as not un- 

 necessarily to be exposed to tuberculosis from the bull or infected prem- 

 ises. 



5. I will cause in all cases where the milk or milk products from the 

 quarantined reacting cows are to be used for any purposes whatever, the 

 said milk or products to be first submitted to pasteurization at not less 

 than 150 deg. F., for not less than 20 minutes. 



6. I will cause the calves from quarantined reacting cows to be re- 

 .moved from their mothers at birth, to be maintained upon premises free 



