148 HUMANE TREATMENT OF ANIMALS USED IN RESEARCH 
including labor, animal feed, ancillary supplies, cage deprecia- 
tion and consummable supplies. Operating funds were derived pri- 
marily from charges ( per diem) levied against research grants for 
the care and maintenance of the research animals . The per diem 
charges were determined by totaling the costs in the categories 
noted above. 
A total of 43 laboratories provided data on annual expen- 
ditures for the procurement of laboratory animals. Table 14 summar- 
izes the cost of animals in the five major geographic areas of the 
United States. Table 15 indicates cost of animals in the different 
types of institutions. 
Section VIII - Unfilled Requirements 
Two of the items on the questionnaire concerned unfilled 
requirements in the areas of personnel and training, and buildings 
and equipment. Although the responses were difficult to analyze, 
the following summary seems appropriate. 
Eleven (19%.) of 58 institutions failed to answer the ques- 
tion of personnel and training. Twenty-six (45%) stated they had no 
unfilled needs in this area. While this proportion of the total is 
high, it should be noted that many of these institutions, because of 
the vagueness of administrative responsibility and the loose budgetary 
control of animal care activities, probably are not aware of many 
existing personnel and training requirements. The remaining 21 labora- 
tories (36%) listed a total of twenty-nine personnel and training 
needs. They can be categorized as follows: 
Professional animal care director - 11 (38 %) 
- 21 - 
