292 HOG CHOLERA 



less than 25 cubic centimeters of the product to be 

 tested. 



Paragraph 2. Animals used for testing serum as pre- 

 scribed in paragraph 1 of this section shall be held under 

 the supervision of a bureau employee for at least 15 

 days, and each animal carefully examined at the sites 

 of the inoculations to determine whether or not the 

 product has caused abscess formation. At the conclu- 

 sion of the test a report shall be submitted to the Wash- 

 ington office by letter concerning the results thereof, 

 after which the bureau will advise the inspector in 

 charge as to what disposition should be made of the 

 serum. 



SECTION 10. Paragraph 1. Blood derived from hyper- 

 immune hogs and ordinary defibrinated blood anti-hog- 

 cholera serum may be clarified, or refined and concen- 

 trated by licensed establishments, provided methods used 

 to accomplish this are approved by the chief of bureau. 



Paragraph 2. When products described in the pre- 

 ceding paragraph which have not been tested or have 

 been tested and found " Satisfactory " are clarified, or 

 refined and concentrated so that the volume thereof is 

 reduced 20 per cent or more, and it is desired to market 

 the product in doses smaller than those indicated in 

 paragraph 1, section 6 of this regulation, it shall be 

 tested as provided in sections 4 and 5 of this regulation, 

 except that each pig in the test shall receive 15 cubic 

 centimeters of the product to be tested. 



Paragraph 3. Should the test required in paragraph 

 2 of this section be found "Satisfactory," as provided 

 in rule D, paragraph 2, section 5 of this regulation, the 

 product may be marketed, if it is recommended for use 

 in doses not less than those appearing in the following 

 table. This table shall be a part of trade labels, wrap- 

 pers, and the like, affixed to or used in connection with 

 each immediate or true container of the product: 



