74 Table 13 PHA Responses of Alligator Peripheral Blood Lymphocytes Cultured with Different Alligator Serum Supplements Supplement Poolb A B C D E F .G H Alligator0 AA BB CC DD Stimulation Index5 1 36 45 18 18 7 5 19 78 1 90 100 (a) Triplicate cultures were incubated at 32C with or without PHA (1 ¡J.I), pulsed on day 4 and harvested on day 5. (b) Each supplement pool is from > 10 individual bleeds of 1-2 kg alligators 2-3 yrs old. (c) Individual serum supplements are from bleeds of 100-225 kg alli gators > 10 yrs old.