PBEPAEATION OF ANTI-HOG-CHOLEKA SERUM 81 



ment is a detriment, as methods are constantly 

 changing and improving and each unnecessary fix- 

 ture takes up room and must be kept clean. Es- 

 sential major equipment includes facilities for 

 washing, sterilizing and storing all instruments 

 and containers used, vacuum and pressure tanks 

 connected with motor driven pumps, portable 

 crates for tail bleeding and hypering, portable or 

 stationary tables or stocks for bleeding serum hogs 

 and virus pigs from the throat, scales, v motor 

 driven shaker, serum mixer and office equipment 

 including forms for keeping records. 



Minor equipment includes bleeding and hyper- 

 ing units, tail shears, clamps, hypodermic syringes 

 and needles, wax heater, cannulas and sticking 

 knives, scalpels, instrument trays, antiseptic con- 

 tainers, funnels, graduates, pipettes, defibrinating 

 forks, porcelain containers for serum and virus 

 blood, apparatus for separating out fibrin and clot, 

 and bottles for storing and shipping. 



Grouped around this essential unit may be a 

 multitude of accessories, or the unit itself may be 

 multiplied so as to provide for production on a 

 large scale. Facilities for butchering, for cooling 

 carcasses, for rendering virus pig carcasses, for 

 handling virus in separate rooms, for keeping 

 susceptible pigs isolated, for dipping and isolating 

 new arrivals, for bacteriological work, for packing 

 and mailing products, and for exposing serum and 



