IMMUNE RESPONSE IN COLD EXPOSURE 



Qualitative Evaluation 



Table IV. Statistical evaluation of gel diffusion precipitates based on time ol pre- 

 cipitation. *U value of Mann- Whitney U test at 0.05 significance level=17. Antigen- 

 whole bovine serum. 



Number of Days 



following Mean Antibody Titer Mean Antibody Titer* 

 Initial Injection Cold exposed Non-Cold exposed 



1-2000 



1-1600 



10 



1-3000 



1-3000 



17 



1-6000 



1-4000 



24 



30 



1-8000 

 1-10,000 



1-5000 

 1-7000 



Table V. Mean precipitation titers of "normal"and "cold exposed" rabbits immunized 

 with egg albumin (Ea). *Mean titer calculated on the basis of antibody titers obtained 

 from precipitin titrations of 10 samples of rabbit antiserum. 



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